Biology (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 37 - 42 of 136

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Question number: 37

» Biology » Water

Assertion-Reason▾

Assertion (Ꭺ)

Red blood cells burst when placed in water.

Reason (Ꭱ)

Due to the phenomenon of osmosis, water enters into red blood cells.

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are false

b.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

c.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

d.

Ꭺ is false but Ꭱ is true

Question number: 38

» Biology » Plant and Animal Nutrition

MCQ▾

Question

‘Teresa’ is a breed of goat which is found in

Choices

Choice (4) Response

a.

Andaman and Nicobar Islands

b.

Lakshadvveep

c.

Southern parts of coastal Tamil Nadu

d.

Coastal Andhra

Question number: 39

» Biology » Human Body

MCQ▾

Question

Which one among the following is the hardest part of our body?

Choices

Choice (4) Response

a.

Thumb nails

b.

Spinal vertebra

c.

Skull bones of head

d.

Enamel of teeth

Question number: 40

» Biology » Human Body

MCQ▾

Question

Females need more dietary iron than males because

Choices

Choice (4) Response

a.

they have less bone marrow

b.

they lose iron during menstruation

c.

they are able to absorb iron less

d.

they have large volume of blood

Question number: 41

» Biology » Our Environment

MCQ▾

Question

In the following, best methods of determining the age of tree is to

Choices

Choice (4) Response

a.

measure its height

b.

count the number of leaves

c.

measure its diameter

d.

count the number of annual rings in the main stem at the base

Question number: 42

» Biology » Human Body

MCQ▾

Question

The bacteria present in human intestine which help in synthesis of vitamin-B complex is

Choices

Choice (4) Response

a.

E. coli

b.

Rhizobium

c.

Lactobacillus

d.

Azetobactor

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