set 2 MCQ Questions & Answers Detailed Explanation

MOST IMPORTANT general science mcq - 6 EXERCISES

Top 30,000+ General Science Memory Based Exercises

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

Questions : Double fertilization means

(a) fusion of two polar bodies

(b) a male gamete fused with egg and second male gamete fused with secondary nucleus

(c) fusion of male gametes and ovum

(d) all the above

The correct answers to the above question in:

Answer: (b)

Double fertilization means, a male gamete fused with egg and second male gamete fused with secondary nucleus.

Read more questions on biology of ibps gk questions set 2 Click Here »

Practice physiology of plants, humans and animals (set 2) Online Quiz

Discuss Form

Valid first name is required.
Please enter a valid email address.
Your genuine comment will be useful for all users! Each and every comment will be uploaded to the question after approval.

Read more biology Based General Science Questions and Answers

Question : 1

Which one among the following statements is correct?

a) All veins carry oxygenated blood

b) All arteries carry oxygenated blood

c) Except the pulmonary artery, all other arteries carry oxygenated blood

d) Except the pulmonary vein, all other veins carry oxygenated blood

Answer: (c)

Question : 2

The hormone responsible for phototropism is

a) Abscisic acid

b) Auxin

c) Ethylene

d) Gibberellic acid

Answer: (b)

Question : 3

Which part of human body maintain the body temperature?

a) Lungs

b) Liver

c) Heart

d) Kidney

Answer: (a)

Question : 4

Melatonin is produced by

a) skin

b) thymus

c) pituitary

d) pineal gland

Answer: (d)

Melatonin is secreted by the pineal gland present between the cerebral hemispheres.

Melatonin concentration in blood follows a diurnal cycle, it rises in the evening and drops at noon. Melatonin lightens skin colour in certain animals and regulates the working of gonads.

Question : 5

Fungi

a) include both autotrophs and heterotrophs.

b) always reproduce asexually using spores.

c) cause tuberculosis and lyme disease in humans.

d) include both inicellular and multicellular forms.

Answer: (d)

Fungi include both unicellular and multicellular forms, with both asexually and sexually reproducing organisms. No fungal specie is autotroph.

TB is caused by Mycobacterium tuberculosis and Lyme disease is caused by bacterial species of Borrelia.

Question : 6

Match List-I with List-II and select the correct answer using the code given below the lists.

List-I List-II
A. Ecotoxicology 1. Study of ductless gland
B. Hematology 2. Study about mollusks
C. Malacology 3. Study of blood
D. Endocrinology 4. Study of the effects of toxic chemical substance on animal and plant
Select the correct answer using the codes given below the lists: A B C D

a) 2 1 4 3

b) 4 3 2 1

c) 3 2 1 4

d) 1 4 3 2

Answer: (b)

Need More Mcqs on physiology of plants, humans and animals of set 2 Click Here »
GET physiology of plants, humans and animals PRACTICE TEST EXERCISES

set 1

set 2

set 3

set 4

set 5

set 6
Verbal Reasoning
Question & Answer Quiz
Non Verbal Reasoning
Question & Answer Quiz
Quantitative Aptitude
Question & Answer Quiz
Computer MCQ
Question & Answer Quiz
General English
Question & Answer Quiz
History GK
Question & Answer Quiz
Polity GK
Question & Answer Quiz
Geography GK
Question & Answer Quiz
Economy GK
Question & Answer Quiz
General Awareness GK
Question & Answer Quiz

Recently Added Subject & Categories For All Competitive Exams

100+ Quadratic Equation Questions Answers PDF for Bank

Quadratic Equation multiple choice questions with detailed answers for IBPS RRB SO. more than 250 Attitude practice test exercises for all competitive exams

03-Jul-2024 by Careericons

Continue Reading »

IBPS Aptitude Linear Equations MCQ Questions Answers PDF

Linear equations multiple choice questions with detailed answers for IBPS RRB SO. more than 250 Attitude practice test exercises for all competitive exams

03-Jul-2024 by Careericons

Continue Reading »

New 100+ Compound Interest MCQ with Answers PDF for IBPS

Compound Interest verbal ability questions and answers solutions with PDF for IBPS RRB PO. Aptitude Objective MCQ Practice Exercises all competitive exams

02-Jul-2024 by Careericons

Continue Reading »

100+ Mixture and Alligation MCQ Questions PDF for IBPS

Most importantly Mixture and Alligation multiple choice questions and answers with PDF for IBPS RRB PO. Aptitude MCQ Practice Exercises all Bank Exams

02-Jul-2024 by Careericons

Continue Reading »