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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 8101. |
Choose the correct example of fermentation. |
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Answer» Choose the correct example of fermentation. |
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| 8102. |
Which organic acid was first produced from microbial fermentation? |
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Answer» Which organic acid was first produced from microbial fermentation? |
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| 8103. |
Identify the two forces acting on the points A and B during the movement of water from roots to the aerial parts. |
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Answer» Identify the two forces acting on the points A and B during the movement of water from roots to the aerial parts. |
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| 8104. |
Which of the following statement(s) about growth hormone (GH) is/are correct? |
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Answer» Which of the following statement(s) about growth hormone (GH) is/are correct? |
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| 8105. |
Question 43 Answer the following : (a) Which hormone is responsible for the changes noticed in females at puberty? (b) Dwarfism results due to deficiency of which hormone? (c) Blood sugar level rises due to deficiency of which hormone? (d) Iodine is necessary for the synthesis of which hormone? |
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Answer» Question 43 |
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| 8106. |
Which enzyme is responsible for digestion of proteins? What kind of pH do you think this enzyme needs? How does the stomach maintain this pH? What is another advantage of having such a pH? |
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Answer» Which enzyme is responsible for digestion of proteins? What kind of pH do you think this enzyme needs? How does the stomach maintain this pH? What is another advantage of having such a pH? |
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| 8107. |
What are gametes? |
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Answer» What are gametes? |
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| 8108. |
Chemical substances which originate at the stemtip, but control the growth process elsewhere are |
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Answer» Chemical substances which originate at the stemtip, but control the growth process elsewhere are |
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| 8109. |
What are the various enzymatic types of glandular secretions in our gut helping digestion of food? What is the nature of end products obtained after complete digestion of food? |
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Answer» What are the various enzymatic types of glandular secretions in our gut helping digestion of food? What is the nature of end products obtained after complete digestion of food? |
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| 8110. |
Differences between phenotype and genotype. |
| Answer» Differences between phenotype and genotype. | |
| 8111. |
The sex of the child is determined at the time of conception in human beings. Justify. |
| Answer» The sex of the child is determined at the time of conception in human beings. Justify. | |
| 8112. |
How does the male gamete enter the ovary of a flower? |
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Answer» How does the male gamete enter the ovary of a flower? |
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| 8113. |
In rare circumstances, death of the foetus might occur with which of the below combinations of parent and child? |
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Answer» In rare circumstances, death of the foetus might occur with which of the below combinations of parent and child? |
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| 8114. |
Which of the following is a health disorder that results from the deficiency of thyroxine in adults and is characterized by (i) a low metabolic rate, (ii) increase in body weight and (iii) tendency to retain water in tissues |
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Answer» Which of the following is a health disorder that results from the deficiency of thyroxine in adults and is characterized by |
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| 8115. |
Which one of the following pairs of the kinds of cells and their secretion are correctly matched? |
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Answer» Which one of the following pairs of the kinds of cells and their secretion are correctly matched? |
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| 8116. |
Why is it necessary to place a plant in the dark before starting an experiment on photosynthesis? Explain. |
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Answer» Why is it necessary to place a plant in the dark before starting an experiment on photosynthesis? Explain. |
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| 8117. |
Question 11 When air is blown from the mouth into a test-tube containing limewater, the limewater turned milky due to the presence of (a) oxygen (b) carbon dioxide (c) nitrogen (d) water vapour |
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Answer» Question 11 |
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| 8118. |
Which of the following regarding the nucleus in the gametes and in the zygote of a human is true? |
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Answer» Which of the following regarding the nucleus in the gametes and in the zygote of a human is true? |
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| 8119. |
(a) What is meant by 'heart beat' ? What is the usual heart beat rate at rest ? (b) What change occurs in heart beats if a person runs for a while Why ? |
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Answer» (a) What is meant by 'heart beat' ? What is the usual heart beat rate at rest ? |
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| 8120. |
What happens when it rains on the soil without a vegetational cover? |
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Answer» What happens when it rains on the soil without a vegetational cover? |
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| 8121. |
Which of the following is a mineral required by our body? Calcium, Phosphorus, Iodine, Potassium, Magnesium, Zinc, Iron |
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Answer» Which of the following is a mineral required by our body? Calcium, Phosphorus, Iodine, Potassium, Magnesium, Zinc, Iron |
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| 8122. |
The cells in our blood which destroy disease-causing germs, are : (a) platelets (b) skin cells (c) RBCs (d) WBCs |
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Answer» The cells in our blood which destroy disease-causing germs, are : |
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| 8123. |
What is the name of tiny air-sacs at the end of smallest bronchioles in the lungs ? |
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Answer» What is the name of tiny air-sacs at the end of smallest bronchioles in the lungs ? |
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| 8124. |
(a) What is the life support system of a fetus ? (b) How long does a human baby take to develop before birth ? (c) What is the name of the narrow opening between the uterus and the vagina. |
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Answer» (a) What is the life support system of a fetus ? (b) How long does a human baby take to develop before birth ? (c) What is the name of the narrow opening between the uterus and the vagina. |
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| 8125. |
Which part of the brain controls the activity of pituitary gland? |
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Answer» Which part of the brain controls the activity of pituitary gland? |
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| 8126. |
Which of the following is true about the G1 phase of the cell cycle? |
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Answer» Which of the following is true about the G1 phase of the cell cycle? |
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| 8127. |
Which of the following organelles is/are present both in prokaryotes and eukaryotes? |
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Answer» Which of the following organelles is/are present both in prokaryotes and eukaryotes? |
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| 8128. |
8. What is the primary requirement for pancreatic enzymes to act? |
| Answer» 8. What is the primary requirement for pancreatic enzymes to act? | |
| 8129. |
The three interrelated processes of urine formation are - |
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Answer» The three interrelated processes of urine formation are - |
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| 8130. |
If the number of chromosomes in the somatic cells of an organism is 24, what will be the number of chromosomes in its gametes? |
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Answer» If the number of chromosomes in the somatic cells of an organism is 24, what will be the number of chromosomes in its gametes? |
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| 8131. |
Which of the following hormones stimulate parthenocarpy? |
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Answer» Which of the following hormones stimulate parthenocarpy? |
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| 8132. |
Which of the following scientists provided indirect evidence to support the fact that DNA is the genetic material in most organisms? |
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Answer» Which of the following scientists provided indirect evidence to support the fact that DNA is the genetic material in most organisms? |
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| 8133. |
If a pure tall plant is crossed with a pure dwarf plant the offsring will be (a) all tall (b) all dwarf (c) 3 tall 1 dwarf (d) 50% tall 50% dwarf |
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Answer» If a pure tall plant is crossed with a pure dwarf plant the offsring will be |
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| 8134. |
" We have to adopt a cautious approach for the judicious use of our limited energy resources." Justify by giving three examples . |
| Answer» " We have to adopt a cautious approach for the judicious use of our limited energy resources." Justify by giving three examples . | |
| 8135. |
1.The ears are fragile instruments. A. These impulses travel via the auditory nerve to the brain, where they are interpreted as, say, words, music or an approaching vehicle. B. When sound waves enter the ear, they cause the eardrum to vibrate. C. These, in turn, stimulate auditory nerve fibers, each attuned to a different frequency. D. The vibrations are transmitted to the cochlea, in the inner ear, where fluid carries them to neatly organized rows of hair cells. 6. Damage to this delicate apparatus results from both volume and length of exposure to sound. |
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Answer» 1.The ears are fragile instruments. A. These impulses travel via the auditory nerve to the brain, where they are interpreted as, say, words, music or an approaching vehicle. B. When sound waves enter the ear, they cause the eardrum to vibrate. C. These, in turn, stimulate auditory nerve fibers, each attuned to a different frequency. D. The vibrations are transmitted to the cochlea, in the inner ear, where fluid carries them to neatly organized rows of hair cells. 6. Damage to this delicate apparatus results from both volume and length of exposure to sound. |
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| 8136. |
Genetic drift operates only in |
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Answer» Genetic drift operates only in |
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| 8137. |
Match the following characters with their contrasting traits in case of pea plants. Column IColumn IIA. Stem height1. Axial/terminalB. Flower position2. Round/wrinkledC. Pod shape3. Tall/dwarfD. Seed shape4. Inflated/constricted |
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Answer» Match the following characters with their contrasting traits in case of pea plants. Column IColumn IIA. Stem height1. Axial/terminalB. Flower position2. Round/wrinkledC. Pod shape3. Tall/dwarfD. Seed shape4. Inflated/constricted |
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| 8138. |
(a) State reason for the following : (i) Rings of cartilage are present in the trachea. (ii) Plants look green in colour. (b) Write other names of the following : (i) Alveolar sac (ii) Voice box |
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Answer» (a) State reason for the following : (i) Rings of cartilage are present in the trachea. (ii) Plants look green in colour. (b) Write other names of the following : (i) Alveolar sac (ii) Voice box |
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| 8139. |
What do you mean by a vermi-processing toilet? [2 MARKS] |
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Answer» What do you mean by a vermi-processing toilet? [2 MARKS] |
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| 8140. |
What is sludge? Explain how it is treated. [3 MARKS] |
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Answer» What is sludge? Explain how it is treated. [3 MARKS] |
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| 8141. |
What are the differences between aerobic and anaerobic respiration? [5 MARKS] |
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Answer» What are the differences between aerobic and anaerobic respiration? [5 MARKS] |
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| 8142. |
Which hormone promotes the reabsorption of sodium ions from the renal tubules? [2 MARKS] |
| Answer» Which hormone promotes the reabsorption of sodium ions from the renal tubules? [2 MARKS] | |
| 8143. |
Name that part of the chloroplast where the light reaction of photosynthesis takes place. Enter 1 word only. |
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Answer» Name that part of the chloroplast where the light reaction of photosynthesis takes place. Enter 1 word only. |
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| 8144. |
Which of the following forms the parts of a nephron? |
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Answer» Which of the following forms the parts of a nephron? |
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| 8145. |
In human beings, the middle ear ossicles, from inside to outside, are in the sequence of: |
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Answer» In human beings, the middle ear ossicles, from inside to outside, are in the sequence of: |
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| 8146. |
Which of the following is not true? |
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Answer» Which of the following is not true? |
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| 8147. |
What is the normal frequency range of the human ear? |
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Answer» What is the normal frequency range of the human ear? |
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| 8148. |
Hisardale is a new breed of sheep developed in Punjab, by crossing Bikaneri ewes and Marino rams. This is an example of: |
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Answer» Hisardale is a new breed of sheep developed in Punjab, by crossing Bikaneri ewes and Marino rams. This is an example of: |
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| 8149. |
What chemical is responsible for breaking up the ozone? |
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Answer» What chemical is responsible for breaking up the ozone? |
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| 8150. |
Man-made sources of radioactive pollution are: |
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Answer» Man-made sources of radioactive pollution are: |
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