set 4 MCQ Questions & Answers Detailed Explanation

Question : 1

Assertion (A):
‘DNA Finger Printing’ has become a powerful tool to establish paternity and identity of criminals in rape and assault cases.
Reason (R):
Trace evidence such as hairs, saliva and dried semen are adequare for DNA analysis.
Code

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

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

c) Both (A) and (R) are true, but (R) is not the correct explanation of (A)

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

Question : 2

Which one among the following is not correct about Down’s syndrome?

a) Effected person has mental retardation

b) It is a genetic disorder

c) Effected individual has early ageing

d) Effected person has furrowed tongue with open mouth

Question : 3

First cloned animal is –

a) Dolly sheep

b) Dog

c) Molly

d) Polly sheep

Question : 4

Between which one of the following sets of blood groups, is the blood transfusion possible?

a) A and AB

b) A and O

c) B and A

d) AB and O

Question : 5

Consider the given statements.

1. BT brinjal is created by inserting its genome, into the gene of soil fungus.
2. The seeds of BT brinjal one terminator seed so farmers have to buy it before every weather from seed companies.
3. This is also a fact that it can affect the user’s health negatively.
4. The other threat is that its insertion may affect adversely bio-diversity.

a) Only 3 and 4

b) Only 1, 2 and 3

c) Only 2 and 3

d) 1, 2, 3 and 4

Question : 6

Given

1. Blood cells
2. Bone cells
3. Hair strands
4. Saliva

a) Only 2 and 3

b) Only 1, 2 and 3

c) Only 1 and 4

d) 1, 2, 3 and 4