Biology - Questions and Answers, General Study (GK)

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1681.

Which of the following substances is abundantly present in the middle lamella of cells ?

(a)Silica

(b)Cutin

(c)Pectin

(d)Lignin

Comment

Answer is: C

1682.

Protoplasm found inside the nucleus is known as

(a)Nucleoplasm

(b)Amyloplast

(c)Elaioplast

(d)Cytoplasam

Comment

Answer is: D

1683.

Consider the following statements:
Assertion (A) : Malarial parasite feeds on the blood of man.
Reason (R) : One of the parasite adaptations is loss-of digestive system and hence depends on host for food.
Now select your answer according to the coding scheme given below:

(a)Both (A) and (R) are true and (R) is the correct explanation of (A)

(b)(A) is false, but (R) is true

(c)(A) is true, but (R) is false

(d)Both (A) and (R) are false

Comment

Answer is: A

1684.

Monoclonal antibodies are

(a)Enzymes

(b)Biofertilizes

(c)Antibiotics

(d)Diagnostic tests in cancer therapy

Comment

Answer is: D

1685.

How many pairs of cranial nerves are present in human ?

(a)10 pairs

(b)12 pairs

(d)31 pairs

Comment

Answer is: B

1686.

Which one is correctly matched?

(a)Electrocardiograph - Lungs

(b)Sphygmomanometer - Blood pressure

(c)Electroencephalograph - Heart

(d)Endoscopy - Brain

Comment

Answer is: B

1687.

The incubation period of the fertilized hen's egg is

(a)11-12 days

(b)21-22 days

(d)41-42 days

Comment

Answer is: B

1688.

The total number of chromosomes in Gorilla

(a)46

(b)48

(d)52

Comment

Answer is: B

1689.

HIV virus that causes the diseases AIDS was discovered by

(a)Robert Gallo and his associates

(b)Carolus Linnaeus

(c)Robert H . Wittakar

(d)Anton Van LeeuWenhoek

Comment

Answer is: A

1690.

The disease caused by the Deficiency of thyroxine inn children from the time of birth is

(a)Goitre

(b)Cretinism

(c)Myxedema

(d)Endemic goitre

Comment

Answer is: B

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Biology - Questions and AnswersPage 169

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