InterviewSolution
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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.
| 301. |
An organic compound (A) having molecular formula C9H10O forms orange-red ppt (B) with the 2,4-DNP reagent. Compound (A) gives yellow ppt (C) when heated in the presence of iodine and NaOH along with a colorless compound (D). (A) does not reduce Tollen's reagent or Fehling's solution nor does it decolorize the Br2 water. On drastic oxidation of (A) with chromic acid, carboxylic acid (E) of molecular formula C7H6O2 is formed. Identify A to E |
| Answer» An organic compound (A) having molecular formula C9H10O forms orange-red ppt (B) with the 2,4-DNP reagent. Compound (A) gives yellow ppt (C) when heated in the presence of iodine and NaOH along with a colorless compound (D). (A) does not reduce Tollen's reagent or Fehling's solution nor does it decolorize the Br2 water. On drastic oxidation of (A) with chromic acid, carboxylic acid (E) of molecular formula C7H6O2 is formed. Identify A to E | |
| 302. |
Question 3The autotrophic mode of nutrition in plants requires: (a) Carbon dioxide and water(b) Chlorophyll(c) Sunlight(d) All of the above |
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Answer» Question 3 |
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| 303. |
State the theory of evolution |
| Answer» State the theory of evolution | |
| 304. |
Why do the breathing rate in women and children greater than men ? |
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Answer» Why do the breathing rate in women and children greater than men ? |
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| 305. |
The gonadotropin releasing hormone (GnRH) released by the _____(i)_____stimulates the ___(ii)______ to release ___(iii)______ and _____(iv)______. The LH stimulates the Leydig cells to produce____(v)______. |
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Answer» The gonadotropin releasing hormone (GnRH) released by the _____(i)_____stimulates the ___(ii)______ to release ___(iii)______ and _____(iv)______. The LH stimulates the Leydig cells to produce____(v)______. |
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| 306. |
In experiments on respiration the seeds taken as control are boiled why? |
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Answer» In experiments on respiration the seeds taken as control are boiled why? |
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| 307. |
The method of asexual reproduction in plants in which callus is produced is : (a) micropropagation (b) vegetative propagation (c) regeneration (d) fragmentation |
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Answer» The method of asexual reproduction in plants in which callus is produced is : (a) micropropagation (b) vegetative propagation (c) regeneration (d) fragmentation |
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| 308. |
Why are protected forests not completely safe for wild animals? [2 MARKS] |
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Answer» Why are protected forests not completely safe for wild animals? |
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| 309. |
Question 55 Match Group (A) with Group (B) Group (A)Group (B)(a) Autotrophic nutrition(i) Leech(b) Heterotrophic nutrition(ii) Paramoecium(c) Parasitic nutrition(iii) Deer(d) Digestion in food vacuoles(iv) Green plant |
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Answer» Question 55 |
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| 310. |
Siblings share ____% of their genes while fraternal twins share ____% and identical twins share ____% of their genes (on average). |
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Answer» Siblings share ____% of their genes while fraternal twins share ____% and identical twins share ____% of their genes (on average). |
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| 311. |
Biotechnologically synthesized vitamin B12 is used to cure______. |
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Answer» Biotechnologically synthesized vitamin B12 is used to cure______. |
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| 312. |
write experimental procedure for the experiment to prove fermentation in precence of yeast in a short way |
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Answer» write experimental procedure for the experiment to prove fermentation in precence of yeast in a short way |
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| 313. |
Which of the following statements are true or false? Give reason in support of your answer. [5 MARKS] (a) Potometer is an instrument used for demonstration of transpiration occurring from the lower surface of leaf. (b) Forests contribute in bringing rains. (c) Hydathodes are similar to stomata in plant physiology. (d) Atmospheric humidity promotes transpiration from a green plant. (e) Some desert plants have sunken stomata on their leaves. |
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Answer» Which of the following statements are true or false? Give reason in support of your answer. [5 MARKS] (a) Potometer is an instrument used for demonstration of transpiration occurring from the lower surface of leaf. (b) Forests contribute in bringing rains. (c) Hydathodes are similar to stomata in plant physiology. (d) Atmospheric humidity promotes transpiration from a green plant. (e) Some desert plants have sunken stomata on their leaves. |
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| 314. |
A student puts a drop of reaction mixture of a saponification reaction first on a blue litmus paper and then on a red litmus paper. He may observe that : (a) There is no change in the blue litmus paper and the red litmus paper turns white. (b) There is no change in the red litmus paper and the blue litmus paper turns red. (c) There is no change in the blue litmus paper and the red litmus paper turns blue. (d) No change in colour is observed in both the litmus papers. |
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Answer» A student puts a drop of reaction mixture of a saponification reaction first on a blue litmus paper and then on a red litmus paper. He may observe that : (a) There is no change in the blue litmus paper and the red litmus paper turns white. (b) There is no change in the red litmus paper and the blue litmus paper turns red. (c) There is no change in the blue litmus paper and the red litmus paper turns blue. (d) No change in colour is observed in both the litmus papers. |
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| 315. |
List two functions performed by the testis in human beings. |
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Answer» List two functions performed by the testis in human beings. |
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| 316. |
Define heredity. Explain the mechanism of hereditary changes. |
| Answer» Define heredity. Explain the mechanism of hereditary changes. | |
| 317. |
Name the process by which plants get rid of excess water. |
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Answer» Name the process by which plants get rid of excess water. |
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| 318. |
The non-green part of a variegated leaf, after the starch test, exhibits which colour? |
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Answer» The non-green part of a variegated leaf, after the starch test, exhibits which colour? |
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| 319. |
When some plants produce more than one type of flowers the phenomenon called as a) herkogamy b)dichogamy c) heterostyly d) homogamy |
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Answer» When some plants produce more than one type of flowers the phenomenon called as a) herkogamy b)dichogamy c) heterostyly d) homogamy |
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| 320. |
Name the organ which temporarily stores bile secreted by liver. |
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Answer» Name the organ which temporarily stores bile secreted by liver. |
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| 321. |
The Genotype, when an individual or an organism is heterozygous at two different loci, is called a ______. |
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Answer» The Genotype, when an individual or an organism is heterozygous at two different loci, is called a ______. |
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| 322. |
(a) What is the basic difference between asexual reproduction and sexual reproduction ? (b) Which of the following organisms reproduce by sexual method and which by asexual method ? Amoeba, Cats, Humans, Hydra, Birds |
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Answer» (a) What is the basic difference between asexual reproduction and sexual reproduction ? |
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| 323. |
A biogeographic region that is both a significant reservoir of biodiversity and threatened with destruction is ________ |
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Answer» A biogeographic region that is both a significant reservoir of biodiversity and threatened with destruction is ________ |
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| 324. |
What do you mean by alleles ? |
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Answer» What do you mean by alleles ? |
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| 325. |
The maximum amount of oxygen is exchanged from the blood in the |
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Answer» The maximum amount of oxygen is exchanged from the blood in the |
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| 326. |
One of the following is an incorrect statement about insulin. This is : (a) it is produced in the pancreas (b) it regulates growth and development of the body (c) it regulates blood glucose level in the blood (d) its deficiency in the body will cause diabetes |
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Answer» One of the following is an incorrect statement about insulin. This is : (a) it is produced in the pancreas (b) it regulates growth and development of the body (c) it regulates blood glucose level in the blood (d) its deficiency in the body will cause diabetes |
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| 327. |
Which tissue connects integuments with muscles? |
| Answer» Which tissue connects integuments with muscles? | |
| 328. |
Unripe apples ripen faster when kept with the already ripe ones.Why does this happen? |
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Answer» Unripe apples ripen faster when kept with the already ripe ones.Why does this happen? |
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| 329. |
_____________ is a colourless plastid. |
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Answer» _____________ is a colourless plastid. |
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| 330. |
Which of the following is not true? |
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Answer» Which of the following is not true? |
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| 331. |
if father has Ablood group and mother has B blood group then how the child will have O blood group |
| Answer» if father has Ablood group and mother has B blood group then how the child will have O blood group | |
| 332. |
Plant cell can do |
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Answer» Plant cell can do |
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| 333. |
What is first aid? |
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Answer» What is first aid? |
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| 334. |
To heterozygous curly (dominant) haired mother and straight haired father, 8 child are born. The ratio of curly and straight haired will be |
| Answer» To heterozygous curly (dominant) haired mother and straight haired father, 8 child are born. The ratio of curly and straight haired will be | |
| 335. |
15. Why can't SiO2 form structure like CO2? |
| Answer» 15. Why can't SiO2 form structure like CO2? | |
| 336. |
What is the phase of mitosis involving the division of cytoplasm called? Enter 1 word only.__ |
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Answer» What is the phase of mitosis involving the division of cytoplasm called? Enter 1 word only. |
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| 337. |
15 natural acids and bases and their sources |
| Answer» 15 natural acids and bases and their sources | |
| 338. |
The set of rules that determine the process by which traits and characteristics are reliably inherited is known as: |
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Answer» The set of rules that determine the process by which traits and characteristics are reliably inherited is known as: |
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| 339. |
What would you do to help maintain the equilibrium in the various bio-geo-chemical cycles? Explain in brief. |
| Answer» What would you do to help maintain the equilibrium in the various bio-geo-chemical cycles? Explain in brief. | |
| 340. |
37. Explain Torsional Strain in Conformational Stereoisomerism |
| Answer» 37. Explain Torsional Strain in Conformational Stereoisomerism | |
| 341. |
During the process of photosynthesis, the light energy is converted to ______. |
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Answer» During the process of photosynthesis, the light energy is converted to ______. |
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| 342. |
Is there any relation between the phototactic movement of chlamydomonous and the asexual reproduction(production of zoospores) in it? |
| Answer» Is there any relation between the phototactic movement of chlamydomonous and the asexual reproduction(production of zoospores) in it? | |
| 343. |
The amygdala lies in the forebrain, midbrain or the hindbrain? |
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Answer» The amygdala lies in the forebrain, midbrain or the hindbrain? |
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| 344. |
Name the hormones of pituitary and explain their functions? |
| Answer» Name the hormones of pituitary and explain their functions? | |
| 345. |
The acid insoluble fraction does not contain |
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Answer» The acid insoluble fraction does not contain |
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| 346. |
Difference between alveoli and alveolar |
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Answer» Difference between alveoli and alveolar |
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| 347. |
When a person is suffering from severe cold, he or she cannot |
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Answer» When a person is suffering from severe cold, he or she cannot |
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| 348. |
The concentration of oxygen and carbon dioxide in deoxygenated blood is- |
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Answer» The concentration of oxygen and carbon dioxide in deoxygenated blood is- |
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| 349. |
The growth regulator that retards ageing of plant organs is___ . |
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Answer» The growth regulator that retards ageing of plant organs is |
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| 350. |
On which of these parts can we find photoreceptors? |
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Answer» On which of these parts can we find photoreceptors? |
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