Biology

Q.1. What is the scientific name of the banyan tree, a large evergreen tree of Asia characterised by its trunk-like aerial roots?

Q.2. Match the columns.
Class. Common name.

i. Chlorophyceae. a. Brown algae
ii. Phaeophyceae b. Green algae
iii. Rhodophyceae. c. Blue-green
algae
iv. Cyanophyceae d. Red algae

Q3. Which of the following is another name for starch found mainly in the pulp of seeds, fruits, tubers, roots, and stems of plants, especially in corn, potatoes, wheat, and rice?

Q4. What is the common term for Ancylostoma?

Q5. Solanum lycopersicum L. is the scientific name of which of the following highly consumed vegetables?

Q6. What is the common name of Parthenium hysterophorus?

Q7. Oleo gum resin (Asafoetida) can be obtained from:

Q8. The scientific name for the domestic ______ is Canis lupus familiaris.

Q9. What is the botanical name of mango?

Q10. Select the INCORRECT statement with regards to vitamins.

Q11. Which essential micronutrient plays a clear role in the synthesis, storage, and secretion of insulin in the hexameric form as well as in the conformational integrity of insulin?

Q12. Which of the following was the first B vitamin discovered in 1897 that is essential in amino acid and carbohydrate metabolism and is active in energy production reactions?

Q13. What is the most important health benefit of Vitamin D?

Q14. The food component present in sugar is:

Q15. Milk, seafood, nuts, and whole grains contain high amounts of which mineral that supports bone health and our body's repair process?

Q16. Which of the following vitamins prevents major birth defects of the brain and spine of a newborn baby?

Q17. Carbohydrates are utilized by the human body in the form of:

Q18. What is the monomer unit of glycogen?

Q19. Which vitamin is synthesized in the presence of sunlight in our body?

Q20. Which essential amino acid is necessary for the production of our brain’s chemical messengers including melatonin, dopamine, noradrenaline, and thyroxine?

Q.21. Which of the following is the
correct match of column-A with
column-B?
Nutrients. Source.

i. Protein rich food. a. Wheat
ii. Fat rich food b. Lemon
iii. Carbohydrate rich c. Egg white food
iv. Vitamin C rich d. Butter and
food cheese

Q22. Vitamins and minerals are helpful for which of the following?

Q23. As per the dietary guidelines recommended by doctors, the RDA for cholesterol intake in healthy adults and children above four years of age is ______ mg/day.

Q24. Which water-soluble vitamin found in various foods, including liver, milk, eggs, and fish, helps to keep your body's blood and nerve cells healthy?

Q25. Which of the following vitamins helps to keep our skin and eyes healthy?

Q26. Which among the following vitamins influences iron absorption?

Q27. Which of the following vitamins helps our body to use calcium for bones and teeth?

Q28. Which of the following pairs of 'mineral - source' is correct?

I. Vitamin A - Papaya
II. Iron - Spinach

Q29. Which among the following vitamins is known as Niacin?

Q30. Which among the following is a fat-soluble vitamin?

Q.31. Match the columns.
Nutrients. Examples.

a. Protein. i.Calcium, Phosphorous
b. Carbohydrate. ii. Cholesterol
c. Fat. iii. Glucose
d. Minerals. iv. Myosin

Q.32. Match Column-A with Column-B.

Vitamin. AlternativeName.

i. Vitamin A a. Ascorbic
ii. Vitamin B12 b. Retinol
iii. Vitamin C c. Cobalamin
iv. Vitamin D d. Ergocalciferol

Q33. Which of the following statements is correct?

I. The nutrition requirements of
adolescents are higher than adults.

II. Adolescents are generally grouped in the age group of 10 to 19 years.

Q34. Which of the following pairs (type of nutrient – nutrient) is correct?

I. Macronutrient – Iron
II. Micronutrient – Calcium

Q35. Nuts, vegetable oil and fish are rich sources of__________.

Q36. Which of the following pairs of minerals – need is correct?

I. Iron – formation of hemoglobin
II. Sodium – proper functioning of thyroid

Q37. Which of the following vitamins is absent in eggs?

Q38. Which amino acid is essential for healthy skin and teeth, as it is a component of tooth enamel, collagen and elastin?

Q39. Which of the following is a micronutrient, and plays a role in cell division, cell growth, wound healing and the breakdown of carbohydrates?

Q40. Which vitamins are present in Milk?

Q.41. Match column A With column B.
Vitamin. Source.
i. Vitamin A a. Carrot,mango,
papaya

ii. Vitamin B b. Whole grain
bread and nuts

iii. Vitamin C c. Citrus fruits,
red and green pepper

iv. Vitamin D d. Egg yolk,soya
product

Q42. What components are often called the building blocks of the body that play a vital role in helping to repair and strengthen muscle tissues after exercise?

Q43. Which is a major essential lipophilic (fat-soluble) vitamin required for the protection of cell membranes and the formation of red blood cells (RBCs)?

Q44. A typical adult human body contains about ______ of magnesium.

Q45. Starch and sugar in our food are forms of _____.

Q46. When the breakdown of food (glucose) occurs without the use of oxygen, it is called:

Q47. Which organism among the following breaks down the food material outside the body and then absorbs it?

Q48. From which of the following sources does the brain get energy?

Q49. Which natural bioactive water-soluble phenolic compound is present in fruits, vegetables, and grains with red, purple, blue, or black hues?

Q50. Which of the following nutrients is available mainly in apples?

Q51. Which of the following grains contain oryzenin?

Q52. What happens to the guard cells when water flows into them?

Q53. Plants that are adapted to live under plenty of sunlight are called:

Q54. The leaves have a green pigment called ____________, which helps leaves to capture the energy from the sunlight.

Q55. Which plant tissue is responsible for the transportation of water and minerals from the soil to the stems and leaves?

Q56. Which of the following is the ultimate source of energy for all living organisms?

Q57. The mode of nutrition in which organisms make food themselves from simple substances is called ________.

Q58. Plants require nutrients for their growth which can be supplied through _______.

Q59. Water comes out of the leaves in the form of vapour by a process called ______.

Q60. The broad, green part of the leaf is called ______.

Q.61. The green plants in a terrestrial ecosystem capture about _______ percent of the energy of sunlight that falls on their leaves and convert it into food energy.

Q.62. Nuts, vegetable oil and fish are good sources of which of the following?

Q.63. Which nutrient is chlorella rich in?

Q.64. Iron, iodine and zinc can be considered as which of the following?

Q.65. Starches found in breads, cereals and pasta are made up of long chains of _______.

Q.66. Which of the following pairs of plastids-thing stored is NOT correct?

I. Amyloplasts - oils and fats.

II. Aleuroplasts - carbohydrates.

Q.67. How is food stored in brown algae?

Q.68. Pneumatophores are specialized ______ in hydrophytes.

Q.69. At least ______ of the carbon dioxide fixation on earth is carried out by algae through photosynthesis.

Q.70. Capsaicinoids, carotenoids, phenolics, and vitamins are dominant chemicals in which of the following foods?

Q.71. Which of the following is an essential element used in the synthesis of proteins in plants?

Q.72. The ______ is the term used for the reactions of photosynthesis that use the energy stored by the light-dependent reactions to form glucose and other carbohydrate molecules.

Q.73. Energy and carbon requirements of the autotrophic organism are fulfilled by ______.

Q.74. Which of the following does NOT figure among the main functions of the root system of a plant?

Q.75. Which of the following plant hormones regulates growth, particularly by stimulating cell elongation in stems?

Q.76. The application of plant and soil science to crop production is known as?

Q.77. Which of the following gases is released in the process of photosynthesis?

Q.78. Severe undernutrition due to the deficiency of food and energy is termed as?

Q.79. Deficiency of iodine results in an insufficient amount of the ________ hormone.

Q.80. Among the choices listed, which one is NOT a form of cancer?

Q.81. Among the following diseases, which one is NOT inherited?

Q.82. In what condition does the body's immune system attack the actual intrinsic factor protein or the cells in your stomach lining that make it?

Q.83. What happens when old aged people get cataract?

Q.84. In which of the following conditions is there severe physical and mental retardation due to deficiency of iodine and thyroid hormones, especially during early pregnancy?

Q.85. Which of the following tests is used to confirm the presence of typhoid fever?

Q.86. Which disease is caused by NOT having enough vitamin C in the diet for at least 3 months leading to weakness, anaemia, gum disease, and skin problems?

Q.87. Which of the following is NOT the manifestation of Iron-deficiency anemia (IDA)?

Q.88. Which is the most obvious symptom of infantile jaundice that usually appears between the second and fourth day after birth?

Q.89. Which condition causes bone pain, poor growth, and soft, weak bones that can lead to bone deformities?

Q.90. Lack of functional small intestine can cause a malabsorption disorder leading to diarrhoea, malnutrition, weight loss etc. This particular condition is known as:

Q.91. Vitamin B1 deficiency causes which nutritional disorder that causes problems with peripheral nerves and wasting?

Q.92. Which of the following diseases is transmitted by the bite of an infected female phlebotomine sandfly, characterized by irregular fever, weight loss, and enlargement of the spleen and liver?

Q.93. Which of the following diseases is a potential contender for worldwide eradication?

Q.94. An excessive amount of cadmium in the human body causes:

Q.95. Which type of surveillance is specifically aimed at identifying missing cases of disease?

Q.96. Sleeping sickness is a vector borne disease caused by the infection of which microscopic parasite of the species?

Q.97. Which is an inherited blood disorder that affects the hemoglobin gene and results in ineffective erythropoiesis?

Q.98. Which Vitamin D analogue is used to treat hypoparathyroidism, refractory rickets and familial hypophosphatemia?

Q.100. Select the correct option about Kwashiorkor.

Q.101. Which of the following pairs is INCORRECTLY matched?

Q.104. Which disease is caused by excessive iron deposition within the reticuloendothelial cells of the liver, spleen and bone marrow?

Q.105. Deficiency of which of the following vitamins in the human diet causes a disease called xerophthalmia?

Q.106. Which among the following organs in the human body, is most affected by Pneumonia disease?

Q.107. What is added to toothpaste to reduce tooth decay?

Q.108. Which among the following is NOT a bacterial disease?

Q.109. Which of the following is 'NOT' an example of communicable diseases?

Q.110. The disease-causing microbes are called ________.

Q.111. "Goitre" is a disease of which of the following glands?

Q.112. Which of the following diseases is not caused by a mosquito bite?

Q.113. Chikungunya is an infection caused by _______ mosquito.

Q.114. Which among the following is a bacterial disease?

Q.115. Which of the following pairs of 'disease - duration' is correct?

Q.116. ___________ diseases last for only shorter periods of time.

Q.117. Which of the following disease is caused by fungi?

Q.118. Which among the following is a viral disease?

Q.119. Which of the following options is correct regarding sexually transmitted disease (STD)?

Q.120. Deficiency of which of the following vitamins causes excessive bleeding from wounds?

Q.122. Which of the following pairs of plant diseases – microorganisms is correct?

Q.123. ________ is a technique in which cancer cells are damaged with radiation, while limiting the harm to nearby healthy tissue.

Q.124. Typhoid fever is caused by ______.

Q.125. Athlete's foot is a disease caused by _________.

Q.126. How is tuberculosis spread in humans?

Q.127. Which of the following is NOT a symptom of Beriberi caused due to the deficiency of Vitamin B1?

Q.128. Which disease refers to the inflammation of the liver caused by a variety of infectious viruses and non-infectious agents leading to a variety of health problems?

Q.129. Identify the disease that is caused due to inadequate secretion of the hormone insulin from the pancreas?

Q.130. Identify the disease caused by a monkey bite.

Q.131. What disease in adults means ‘soft bones’ that usually develops due to a deficiency of vitamin D (often from not getting enough sunlight), or less often, digestive or kidney disease?

Q.132. Identify a way that does NOT prevent a non-communicable disease from occurring in someone.

Q.133. Poor sanitation conditions may NOT be the likely reason behind which of the following diseases/conditions?

Q.134. Which of the following diseases CANNOT be prevented by vaccination?

Q.135. According to the World Health Organization (WHO), “Hygiene refers to _____ and practices that help to maintain _____ and _____ the spread of diseases.”

Q.136. Which of the following is a type of plant disease?

Q.137. _______ is a disorder resulting in abnormal electrical discharge from the brain cells causing seizures,

Q.138. Which of the following is NOT a type of mosquito?

Q.139. Which of the following factors is responsible for the disease called 'Mad Hatter Disease'?

Q.140. Which of the following diseases is NOT caused by a flavivirus?

Q.141. Which of the following diseases marked by dementia, diarrhoea, and dermatitis, is also known as ‘the three Ds’?

Q.142. Which of the following causative agents causes the disease Ebola?

Q.143. AMR occurs when bacteria, viruses, fungi, and parasites change over time and no longer respond to medicines making infections harder to treat and increasing the risk of disease spread, severe illness, and death. What is the full form of AMR?

Q.144. What is another name for the disorder called 'parasomnia'?

Q.145. Trachoma is a preventable disease that results from poor hygiene and sanitation. Which of the following body parts does it affect?

Q.146. Which of the following diseases is caused by Helicobacter pylori?

Q.147. The cause of Siderosis is excessive deposition of ______ in the body tissue.

Q.148. Which of the following diseases damages the eye’s optic nerve and results in vision loss and blindness and occurs when the normal fluid pressure inside the eyes slowly rises?

Q.149. Leukaemia is a cancer of the:

Q.150. Nyctophobia is the fear of:

Q.151. Name a reproductive strategy in which parasites take advantage of the care of other individuals of the same species or different species to raise their young.

Q.152. Identify an organism that exhibits metagenesis.

Q.153. The period of life, when the body undergoes changes leading to reproductive maturity is called .

Q.154. The stage of the embryo in which all the body parts can be identified is called _________.

Q.155. Breeding of fish in specially constructed tanks and ponds is called ____________

Q.156. Which of the following is NOT an example of "viviparous" animals?

Q.157. The transformation of the larva into an adult through drastic change is called ___________

Q.158. How many arteries are there in an umbilical cord?

Q.159. ______ is the ability of a single cell to produce a fertile, adult individual.

Q.160. The phenomenon whereby the female gamete undergoes development to form new organisms without fertilisation in some organisms like honey bees, some lizards and birds is called

Q.161. Which of the following is the primary sex organ in females?

Q.162. The reproduction process in which only a single parent is involved is called ___________

Q.163. The innermost part of a flower is called the _______

Q.164. Which of the following is not an asexual form of reproduction in plants?

Q165. Productivity of an ecosystem is composed of which of the following?

Q166. How do the red algae reproduce vegetatively?

Q167. Which part of a flower is the sticky surface at the top of the pistil, it traps and holds the pollen?

Q168. A type of asexual reproduction in which new plants are produced from roots, stems, leaves, and buds is known as:

Q169. Which structural layer in some cell types is composed mainly of carbohydrates like cellulose, hemicellulose, and lignin in the ratio 4:3:3 and some fatty substances like wax?

Q170. The primary function of which channel protein is to transport water across the cell membrane in response to the osmotic gradient created by active solute transport?

Q171. Most centrioles have a ___________________ structure of triple microtubules, which are present in pairs and arranged orthogonally after duplication.

Q172. Which is a reversible, fluorescent red, acidic dye used to stain cytoplasm, red blood cells, collagen, and muscle fibers for histological examination?

Q173. Which cellular structure controls cell motility, adhesion, and polarity at interphase, and facilitates the organization of spindle poles during mitosis?

Q174. What is the percentage of proteins in the cell membrane?

Q175. What do you call the fluid matrix filling the cell?

Q.176. The main function of centriole is:

Q.177. During which phase of the cell cycle does metabolic changes assemble the cytoplasmic material required for mitosis and cytokinesis?

Q.178. How big are red blood cells in diameter?

Q.179. Which cell organelle appears as rounded or sausage-shaped structures under electron microscopy, measuring about 0.5 - 1.0 μm in diameter and 2-8 μm in length?

Q.180. What is the length of a bacterial cell?

Q.181. What do you call a Glycocalyx that is a loose sheath type?

Q.182. Which process is sometimes called "reduction division" because it reduces the number of chromosomes to half the normal number to form sperm and eggs?

Q.183. Which is the primary structural component responsible for most of the mechanical strength of the cell wall?

Q.184. By what name are the flat membrane-enclosed sacs present in the Golgi apparatus known?

Q.185. Which cell found in the bone marrow acts as a repair system for the body?

Q.186. During cell division, the formation of a new cell wall is followed by the accumulation of:

Q.187. Which part of a cell converts nutrients into energy?

Q.188. Which cell analysis technique is used to rapidly analyse single cells or particles as they flow through single or multiple lasers while suspended in a buffered salt-based solution?

Q.189. The division of cytoplasm is known as:

Q.190. Which of the following cell organelles can make copies of themselves?

Q.191. Which type of haploid unicellular eukaryote cells has a diameter of ~10 μm, and about half of their volume is occupied by cup-shaped chloroplasts?

Q.192. Which cell organelles are known as cell's post office?

Q.193. Which of the following cells are found in the liver of mammals?

Q.194. Which of the following cell organelles is made up of ribosomal RNA and protein?

Q.195. In cells, proteins are synthesized in ________.

Q.196. Mitochondria is not found in ____.

Q.197. In a plant, ______ is present in the middle lamella, primary cell and secondary walls and accumulates in the initial stages of development during cell expansion.

Q.198. Select the correct statement.

Q.199. Which of the following statements is correct regarding cell membrane?

Q.200. Which form of leucoplast specializes in oil synthesis and storage and is mainly found in the layer of cells in pollen grains that develop pollen grains?

Q.201. Which cells, also called neurilemma cells, are the main glial cells in the PNS and play an essential role in the survival and functions of neurons?

Q.202. Which of the following is found in plant cells only?

Q.203. Which cell organelle containing millions of membrane-bound ribosomes is involved in the production, folding, quality control, and dispatch of certain proteins?

Q.204. The cells having well-organized nuclei with a nuclear membrane are designated as__________ .

Q.205. Which component of the cell contains the hereditary material of the cell, the DNA?

Q.206. Cells were first observed in cork by __________ in 1665.

Q.207. Which of the following is NOT one of the three main parts of the cell?

Q.208. What is the jelly-like substance between the nucleus and the cell membrane called?

Q.209. Which component of the cell organelles principally performs the function of packaging materials, to be delivered either to the intra-cellular targets or secreted outside the cell?

Q.210. What is the major function of a cell wall?

Q.211. The cells having nuclear material without a nuclear membrane are termed as____.

Q.212. Which of the following is a characteristic of a plant cell?

Q.213. Which among the following statements is incorrect?

Q.214. Cytology is the study of _________

Q.215. Plant cell have a big central ___ unlike a number of small ___ in animal cells.

Q.216. Which among the following is the structural and fundamental unit of life?

Q.217. Which of the following is a complex permanent plant tissue?

Q.218. Which cell organelles help in intercellular digestion and are known as the “Suicidal bags” of the cell?

Q.219. At high doses, ________ kills cancer cells or slows their growth by damaging their DNA.

Q.220. Which of the following statements is NOT correct regarding the prokaryotic cell?

Q.221. ________ is the chemical process in which different types of chemical reactions are involved in controlling the living state of the cells in an organism.

Q.222. In Golgi apparatus, the maturing face is:

Q.223. What is the outermost layer found in the cell envelope of the bacterial cell called?

Q.224. There are ____ main types of cell division.

Q.225. Which of the following options is NOT correct about plant cells?

Q.226. Identify an option that does NOT represent prokaryotic cells.

Q.227. A group of ribosomes attached to mRNA is known as __________.

Q.229. An undifferentiated layer, _______ is present in between the ectoderm and the endoderm.

Q.230. What happens to the decomposition rate when detritus is rich in lignin and chitin?

Q.231. Identify the function of plasmid DNA.

Q.232. ______ is a group of cells similar in structure and function.

Q.234. What is the role of ribosomes of a polysome?

Q.235. Which of the following is a plant tissue? I. Meristematic tissue II. Permanent tissue

Q.236. Cells of meristematic tissue lack ________.

Q.237. Which of the following is NOT a type of chromosome, on the basis of the location of the centromere?

Q.238. Which cell organelle is an overlapping membranous sac with ER-like thickness that helps in processing and packaging protein and lipid molecules, especially stable proteins?

Q.239. Which thin flexible barrier separates the internal environment of the cell from the extracellular fluid?

Q.240. Which of the following cell organelles functions both as a passageway for intracellular transport and as a manufacturing surface?

Q.241. Which organelle is found both in eukaryotic and prokaryotic cells?

Q.242. In plant cell, ______ are primarily organelles in which materials such as starch, oils and protein granules are stored.

Q.243. Amoeba acquires its food through the process of ______.

Q.244. Which of the following statements is correct about endoplasmic reticulum? I. It is a large network of membrane-bound tubes and sheets. II. It is similar in structure to the plasma membrane.

Q.245. What are the projections of varying lengths protruding out of an amoeba’s body, which can appear and disappear, known as?

Q.246. ______ is known as the energy currency of the cell.

Q247. Which of the following cell organelles are NOT present in animal cells?

Q248. Which of the following are situated in the nucleus of a cell?

Q249. Select the correct statement.

Q250. Which cell theory proved that the quasi-fluid nature of lipids enables lateral movement of proteins within the overall bilayer?

Q251. Under the electron microscope, which cell organelle is visible as either clusters or single, small dots that float freely in the cytoplasm?

Q252. Identify the cell that is amoeboid in shape.

Q253. Which structural layer surrounds the algal, fungal and plant cells and provides tensile strength and protection against mechanical and osmotic stress?

Q254. Which of the following statements is correct about mitochondria?

Q255. In cell biology, what is a large double-membraned organelle that is sometimes referred to as the ‘central unit’ of the cell because it contains the chromosomes that bear genetic material?

Q256. In animal cells, which membrane-bound cell organelles are generally smaller and help to separate waste products?

Q257. Identify the component found only in a eukaryotic cell.

Q258. Which is the major microtubule-organising centre (MTOC) in eukaryotic cells involved in various cellular processes, including sensory reception, locomotion, and embryogenesis?

Q259. What is the role of ribosomes of a polysome?

Q260. Which of the following is an example of active transport?

Q261. Which of the following microscopic cells are of an amoeboid shape with a distinctive central membrane?

Q262. Choose the correct sequence for central dogma.

Q264. Which biological stain is used in histology and cytology to colour all cell nuclei red?

Q266. Which of the following is a characteristic of permanent tissue?

Q267. Which of the following is the largest cell in the human body?

Q268. ______ include/s glycogen, poly-β-hydroxybutyrate granules, sulphur granules and gas vesicles.

Q269. Which protein protects the epithelial cells from damage?

Q270. Clove is an ________ indicator.

Q271. The size of the pupil of the eye is controlled by the ______.

Q272. What do you call the transparent front part of the eye?

Q273. Which tissue among the following is a protective tissue in the animal body?

Q274. Which of the following body parts behaves like a stretched rubber sheet?

Q275. Identify the pigment that gives blood its colour.

Q276. _______ are the vessels which carry blood away from the heart to various organs of the body.

Q277. Fishes have ________ chambers of the heart.

Q278. _______________ are the vessels which carry carbon dioxide-rich blood back to the heart.

Q279. The blood platelets are also known as

Q280. Muscles are of three types. Which of the following is NOT one of them?

Q281. What is the pH of human blood?

Q282. Which of the following is a type of connective tissue? I. Blood II. Bone III. Ligament

Q283. Which of the following is essential to form haemoglobin in blood?

Q284. Which of the following is NOT a type of blood cell made by the bone marrow?

Q285. Lymph is a light clear fluid made up of white blood cells that attack harmful ______ in the blood.

Q286. Which of the following is a large bean-shaped lymphoid organ in the human body?

Q.287. Which of the following statements about blood pressure is correct?

Q.288. Swollen bluish veins resulting from the valves that do not close properly are called ______.

Q.289. Which is a specialised excretory cell found in Platyhelminthes that acts like a kidney, removing waste material through filtration?

Q.290. ______ is the structural and functional unit of the kidney.

Q.291. Which of the following chemicals is responsible for the yellow colour in urine?

Q.292. Which gland gets enlarged in the goitre due to which there is a swelling in the front part of the throat?

Q.293. Which of the following is the largest gland in the human body?

Q.294. Proboscis gland for excretion is present in the phylum:

Q.295. Which gland produces Cortisol often known as a 'stress hormone' in humans?

Q.296. Which of the following parts of the bodylands maintains the body temperature?

Q.297. ______ glands release tears from our eyes.

Q.298. What is a leaf-shaped flap of cartilage located behind the tongue, at the top of the larynx or voice box called?

Q.299. In boys, the growing 'larynx' is visible as a distinct bulge at the front of the throat called _______.

Q.300. Breakdown of pyruvate into lactic acid and energy in lack of Oxygen takes place in Which of the following?

Q.301. Which of the following is correct regarding the respiration?

Q.302. What is the percentage of carbon dioxide in the air exhaled by human lungs?

Q.303. What is the network of air tubes for gas exchange in insects?

Q.304. Identify the function of lipase in the process of digestion.

Q.305. Which of the following statements is NOT correct regarding the liver?

Q.306. Liver gland secretes that are stored in a sac called the gallbladder.

Q.307. In humans, the digestion of carbohydrates like starch, begins in which of the following parts?

Q.308. In ruminants like cattle, bacteria present in _______ helps in digestion of cellulose.