Biology

97 questions in Science & Technology.

Asked in 1998, 1997, 1996, 1995

1998 · Q118 Science & TechnologyBiologymoderate

Match List I with List II and select the correct answer using the codes given below the lists: List I I. Fruit II. Seed III. Wood IV. Starch List II A) Ovule B) Leaf C) Stem D) Ovary

(a)I-B, II-A, III-E, IV-D
(b)I-D, II-A, III-C, IV-B
(c)I-B, II-C, III-A, IV-D
(d)I-D, II-C, III-A, IV-B

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Official answer(b) I-D, II-A, III-C, IV-B

1998 · Q121 Science & TechnologyBiologyeasy

Which one of the following statements regarding starch and cellulose is NOT correct?

(a)Both of them are of plant origin
(b)Both of them are polymers
(c)Both of them give colour with iodine
(d)Both of them are made up of glucose molecules

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Official answer(c) Both of them give colour with iodine

1998 · Q123 Science & TechnologyBiologyeasy

The complete conversion of glucose in the presence of oxygen into carbon dioxide and water with release of energy is called

(a)aerobic respiration
(b)anaerobic respiration
(c)glycolysis
(d)hydrolysis

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Official answer(a) aerobic respiration

1997 · Q117 Science & TechnologyBiologymoderate

The pituitary gland by virtue of its tropic hormones controls the secretory activity of other endocrine glands. Which one of the following endocrine glands can function independent of the pituitary gland?

(a)Thyroid
(b)Gonads
(c)Adrenals
(d)Parathyroid

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Official answer(d) Parathyroid

1997 · Q118 Science & TechnologyBiologyeasy

Oxygen transportation in a human body takes place through I. Blood II. Lungs III. Tissue The correct sequence of transportation is

(a)I, II, III
(b)III, I, II
(c)II, I, III
(d)I, III, II

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Official answer(c) II, I, III

1997 · Q119 Science & TechnologyBiologyeasy

Corpus luteum is a mass of cells found in

(a)brain
(b)ovary
(c)pancreas
(d)spleen

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Official answer(b) ovary

1997 · Q121 Science & TechnologyBiologyeasy

Alpha-keratin is a protein present in

(a)blood
(b)skin
(c)wool
(d)eggs

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Official answer(c) wool

1997 · Q125 Science & TechnologyBiologyeasy

Arteries supplying blood to the heart are called

(a)carotid arteries
(b)hepatic arteries
(c)coronary arteries
(d)pulmonary arteries

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Official answer(c) coronary arteries

1997 · Q129 Science & TechnologyBiologyeasy

Antigen is a substance which

(a)lowers body temperature
(b)destroys harmful bacteria
(c)triggers the immune system
(d)is used as an antidote to poison

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Official answer(c) triggers the immune system

1996 · Q98 Science & TechnologyBiologyeasy

Which one of the following is a modified stem?

(a)Carrot
(b)Sweet potato
(c)Coconut
(d)Potato

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Official answer(d) Potato

1996 · Q99 Science & TechnologyBiologyeasy

Fat present below the skin surface in our body acts as a barrier against

(a)loss of heat from the body
(b)loss of essential body fluids
(c)loss of salts from the body
(d)entry of harmful micro-organisms from the environment

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Official answer(a) loss of heat from the body

1996 · Q101 Science & TechnologyBiologyeasy

Which one of the following is NOT an essential micronutrient for plants?

(a)Boron
(b)Zinc
(c)Sodium
(d)Copper

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Official answer(c) Sodium

1996 · Q104 Science & TechnologyBiologymoderate

Living organisms require at least 27 elements, of which 15 are metals. Among these, those required in major quantities include

(a)Potassium, Manganese, Molybdenum & Calcium
(b)Potassium, Molybdenum, Copper & Calcium
(c)Potassium, Sodium, Magnesium & Calcium
(d)Sodium, Magnesium, Copper & Manganese

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Official answer(c) Potassium, Sodium, Magnesium & Calcium

1996 · Q105 Science & TechnologyBiologyeasy

Match List I with List II and select the correct answer using the codes given below the lists: List I I. Vitamin II. Enzyme III. Hormone IV. Protein List II A. Pepsin B. Carotene C. Keratin D. Progesterone

(a)I – A, II – B, III – C, IV – D
(b)I – B, II – A, III – D, IV – C
(c)I – B, II – A, III – C, IV – D
(d)I – A, II – B, III – D, IV – C

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Official answer(b) I – B, II – A, III – D, IV – C

1996 · Q130 Science & TechnologyBiologyeasy

Match List I (Physiological processes) with List II (Cell organelles) and select the correct answer by using the codes given below the lists: List I I. Photosynthesis II. Mineral uptake III. Respiration IV. Protein Synthesis List II A) Plasma membrane B) Chloroplast C) Mitochondria D) Ribosomes Codes:

(a)I-A, II-B, III-C, IV-D
(b)I-A, II-B, III-D, IV-C
(c)I-B, II-A, III-C, IV-D
(d)I-B, II-A, III-D, IV-C

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Official answer(c) I-B, II-A, III-C, IV-D

1995 · Q44 Science & TechnologyBiologyeasy

The Nobel Prize for deciphering the language of bees was awarded to

(a)H. G. Khurana
(b)K. V. Frisch
(c)Julian Huxley
(d)Dorothy Hodgkins

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Official answer(b) K. V. Frisch

1995 · Q120 Science & TechnologyBiologyeasy

A person with ‘AB’ blood group is sometimes called a universal recipient because of the

(a)lack of antigen in his blood
(b)lack of antibodies in his blood
(c)lack of both antigens and antibodies in his blood
(d)presence of antibodies in his blood

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Official answer(b) lack of antibodies in his blood

1995 · Q121 Science & TechnologyBiologyeasy

Which one of the following is a membrane that protects the developing embryo from desiccation?

(a)Amnion
(b)Allantois
(c)Chorion
(d)Yolk sac

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Official answer(a) Amnion

1995 · Q123 Science & TechnologyBiologymoderate

Most of the desert plants bloom during night time because

(a)their blooming is controlled by low temperature
(b)they are sensitive to the phases of moon
(c)the desert insects eat away flowers during day time
(d)the desert insects are active during night time

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Official answer(d) the desert insects are active during night time

1995 · Q124 Science & TechnologyBiologyeasy

The only snake that builds a nest is

(a)Chain viper
(b)King Cobra
(c)Krait
(d)Saw scaled viper

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Official answer(b) King Cobra

1995 · Q125 Science & TechnologyBiologyeasy

Which of the following elements are present in all proteins? I. Carbon II. Hydrogen III. Oxygen IV. Nitrogen Select the correct answer from the codes given below:

(a)I and II
(b)I, II and IV
(c)I, III and IV
(d)I, II, III and IV

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Official answer(d) I, II, III and IV

1995 · Q126 Science & TechnologyBiologyeasy

Which one of the following hormones contains iodine?

(a)Thyroxine
(b)Testosterone
(c)Insulin
(d)Adrenaline

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Official answer(a) Thyroxine