set 3 MCQ Questions & Answers Detailed Explanation

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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 not performed by root hairs ?

(a) Oxygen uptake

(b) Mineral uptake

(c) Water uptake

(d) $CO_2$ uptake

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

A typical human ribcage consists of how many ribs?

a) 14

b) 12

c) 16

d) 24

Answer: (b)

Question : 2

Asthma is caused due to

a) Spasm in bronchial muscles

b) Infection of lungs

c) Bleeding into pleural cavity

d) infection of trachea

Answer: (a)

Question : 3

Soil can easily become deficient in____________ because these ions are negatively charged and do not stick to negatively charged clay particles.

a) Calcium

b) Ammonium

c) Nitrate

d) Magnesium

Answer: (c)

NO3 – , is negatively charged and not tightly bound to soil particles.

Question : 4

Which among the following is the largest phylum in the animal kingdom in respect of number of species ?

a) Chordata

b) Platyhelminthes

c) Annelida

d) Arthropoda

Answer: (d)

Arthropoda is the largest phylum of animalia which includes insects. Over two-thirds of all named species on earth are arthropods. They have organ-system level of organisation.

Question : 5

Which one of the following pairs is not correctly matched:

a) Fallopian tube : Female reproductive system

b) Loop of Henle : Kidney

c) Epididymis : Male reproductive system

d) Cowper’s gland : Intestine

Answer: (d)

Question : 6

Haploid, diploid and triploid conditions respectively can be traced in

a) antipodal, egg, endosperm

b) endosperm, nucellus, synergids

c) egg, nucellus, endosperm

d) antipodal, synergids and integuments

Answer: (c)

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