set 1 MCQ Questions & Answers Detailed Explanation

MOST IMPORTANT general science mcq - 6 EXERCISES

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The following question based on physiology of plants, humans and animals topic of general science mcq

Questions : Which of the following is an epidermal cell

(a) Root hairs

(b) Guard cells

(c) Trichome

(d) All of these

The correct answers to the above question in:

Answer: (d)

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Read more biology Based General Science Questions and Answers

Question : 1

Lignin is the important constituent in the cell wall of

a) parenchyma

b) phloem

c) xylem

d) cambium

Answer: (c)

Question : 2

Which one is not correct ?

a) Birds - Uricotelic

b) Humans - Uriotelic

c) Lizards - Uricotelic

d) Whale - Ammonotelics

Answer: (d)

Whale is ureotelic.

Question : 3

Cavity or lumen is narrow in

a) Parenchyma

b) Sclerenchyma

c) Collenchyma

d) Tracheids

Answer: (b)

Question : 4

Universal blood recipient is

a) blood group AB

b) blood group O

c) blood group A

d) blood group B

Answer: (a)

Blood group AB individuals have both A and B antigens on the surface of their RBCs, and their blood plasma does not contain any antibodies against either A or B antigen.

Therefore, an individual with type AB blood can receive blood from any group with AB being preferable. Hence, blood group AB is known as the universal recipient.

Question : 5

Which of the following is not caused by deficiency of mineral nutrition?

a) Chlorosis

b) Etiolation

c) Necrosis

d) Shortening of internodes

Answer: (b)

Question : 6

Which one of the following is an enzyme?

a) Keratin

b) Gastrin

c) Trypsin

d) Vasopressin

Answer: (c)

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