Home / Biology MCQs / Page 3

Biology MCQ Questions with answers

Here Important Biology MCQ questions are added which are frequently asked in almost all the examinations. You can check the correct answer of any question on clicking the show answer button or on option itself. The Correct answer will be displayed below. You can share any question with your friends on whatsapp by tapping whatsapp button.

Learn Biology mcqs in hindi here.

Tags: Biology mcqs, important mcqs of Biology, Biology important Biology mcqs, mcqs on Biology, important mcqs on Biology, mcqs of Biology

Learn Biology MCQs [Page 3 ]

Q) Which of the following minerals is responsible for the occurrence of the anemia?

(A) Iron
(B) Iodine
(C) Calcium
(D) Potassium
Correct Answer - Option (A)

Explanation:
The major cause of anemia is iron deficiency. It can occur due to thalassemia (inherited disorders of hemoglobin) also. Anemia is a condition that develops when your blood lacks enough healthy red blood cells or hemoglobin. Iron deficiency is thought to be the most common cause of anemia globally, although other conditions, such as folate, vitamin B12 and vitamin A deficiencies, chronic inflammation, parasitic infections, and inherited disorders can all cause anemia.

Share in MCQ Buddy Groups

Share

Q) Most of the red, blue and purple colours of plants are due to a pigment called

(A) anthocyanin
(B) carotene
(C) chlorophyll
(D) xanthophylls
Correct Answer - Option (A)

No Explanation found. Add Explanation and get +2 points.

Share in MCQ Buddy Groups

Share

Q) Our skin, when exposed to excess sunlight, becomes dark. This is because of our skin pigments called

(A) flavoxanthin
(B) melanin
(C) carotene
(D) Xanthophyll
Correct Answer - Option (B)

Explanation:
Within the skin's epidermal (outer) layer are cells that contain the pigment melanin. Suntanning occurs because exposure to sunlight causes the skin to produce more melanin and to darken. The tan fades as these cells move toward the surface and are sloughed off.

Share in MCQ Buddy Groups

Share

Q) Ramapithecus and Cro-Magnon man are considered

(A) ancestors of modern man
(B) ancestors of monkey
(C) ancestors of lion
(D) None of the above
Correct Answer - Option (A)

No Explanation found. Add Explanation and get +2 points.

Share in MCQ Buddy Groups

Share

Q) Normal adult human male has

(A) 10 gram of haemoglobin/100 gram of blood
(B) 14 gram of haemoglobin/100 gram of blood
(C) 18 gram of haemoglobin/100 gram of blood
(D) 24 gram of haemoglobin/100 gram of blood
Correct Answer - Option (B)

No Explanation found. Add Explanation and get +2 points.

Share in MCQ Buddy Groups

Share

Q) Plants wilt due to excess of

(A) transpiration
(B) photosynthesis
(C) absorption
(D) None of these
Correct Answer - Option (A)

Explanation:
Wilting is a condition when the amount of water lost from the plant during transpiration is greater the amount of water absorbed from the soil. It is the loss of rigidity of non-woody parts of the plants. This occurs when the turgor pressure in non-lignified plant cells falls towards zero, as a result of diminished water in the cells.

Share in MCQ Buddy Groups

Share

Q) Monotremes are unique mammals because they

(A) posses hair
(B) give birth to live young
(C) secret milk in a pouch
(D) lay eggs
Correct Answer - Option (D)

No Explanation found. Add Explanation and get +2 points.

Share in MCQ Buddy Groups

Share

Q) Poison glands of snakes are homologous to

(A) electric organs of fishes
(B) stings of rays
(C) sebaceous glands of mammals
(D) salivary glands of vertebrates
Correct Answer - Option (D)

No Explanation found. Add Explanation and get +2 points.

Share in MCQ Buddy Groups

Share

Attempt 200+ Quizzes on Biology

Download our easy to use, user friendly Android App from Play Store. And learn MCQs with one click.

Image

MCQ Buddy is a community website which helps students in learning new questions, topics, hindi questions, programming questions, cbse questions. These questions are shared by registered users. You can also share question in this portal. Sign Up to share, upvote, add solution/explation of any question.
Sharing is Caring. Help other students by sharing questions, update solutions/explanations of questions added.

Login

Forgot username? click here

Forgot password? Click here

Don't have account? Register here.