

MCQOPTIONS
Saved Bookmarks
This section includes 5751 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
5101. |
Deficiency of which of the following causes tooth decay? |
A. | fluorine |
B. | copper |
C. | zinc |
D. | iron |
Answer» B. copper | |
5102. |
What is the highest amount in spinach leaves? |
A. | Vitamins |
B. | Carbohydrate |
C. | Iron |
D. | fat |
Answer» D. fat | |
5103. |
Which of the following happens in teeth? |
A. | calcium |
B. | minerals |
C. | Carbohydrate |
D. | glucose |
Answer» B. minerals | |
5104. |
Which of the following elements is associated with the deformity of teeth? |
A. | Iodine |
B. | bromine |
C. | fluorine |
D. | chlorine |
Answer» D. chlorine | |
5105. |
In which iron element is found in abundance? |
A. | Milk |
B. | eggs |
C. | Orange |
D. | green vegetables |
Answer» E. | |
5106. |
What is the chemical name of vitamin? |
A. | tocopherol |
B. | retinol |
C. | Riboflavin |
D. | none of these |
Answer» B. retinol | |
5107. |
Which vitamin makes blood clot in human body? |
A. | Vitamin A1 |
B. | Vitamin E |
C. | Vitamin K. |
D. | Vitamin D |
Answer» D. Vitamin D | |
5108. |
Which of the following is the best source of iodine? |
A. | Radish |
B. | beans |
C. | algae |
D. | all these |
Answer» D. all these | |
5109. |
What is the average percentage of oxygen in the human body? |
A. | 35 % |
B. | 50 % |
C. | 43 % |
D. | 55 % |
Answer» C. 43 % | |
5110. |
From where does man get iron? |
A. | Milk |
B. | fish |
C. | Spinach |
D. | cheese |
Answer» D. cheese | |
5111. |
Which is a vitamin that cannot be obtained from any vegetable? |
A. | Vitamin A1 |
B. | Vitamin B1 |
C. | Vitamin D |
D. | Vitamin E |
Answer» D. Vitamin E | |
5112. |
What is the chemical name of Vitamin C? |
A. | nitric acid |
B. | oxalic acid |
C. | citric acid |
D. | ascorbic acid |
Answer» E. | |
5113. |
What is Thiamine? |
A. | Vitamin A1 |
B. | Vitamin B1 |
C. | Vitamin B2 |
D. | Vitamin C |
Answer» C. Vitamin B2 | |
5114. |
Which of the following is found in the production of Vitamin D? |
A. | folic acid |
B. | calciferol |
C. | retinol |
D. | none of these |
Answer» C. retinol | |
5115. |
Which of the following is found in fish liver oil? |
A. | Vitamin A |
B. | Vitamin E |
C. | Vitamin C |
D. | Vitamin D |
Answer» E. | |
5116. |
Which vitamin is produced in the human body in the morning sunlight? |
A. | Vitamin A |
B. | Vitamin B |
C. | Vitamin C |
D. | Vitamin D |
Answer» E. | |
5117. |
Which of the following does not receive energy? |
A. | Vitamins |
B. | protein |
C. | Carbohydrate |
D. | fat |
Answer» B. protein | |
5118. |
Where does the human body store vitamin A? |
A. | liver |
B. | spleen |
C. | abdomen |
D. | stomach |
Answer» B. spleen | |
5119. |
Where do vegetarians get the most protein? |
A. | from parties |
B. | with vegetables |
C. | from milk |
D. | all these |
Answer» B. with vegetables | |
5120. |
Which of the following is the largest source of protein? |
A. | Peas |
B. | Soybean |
C. | urad |
D. | gram |
Answer» C. urad | |
5121. |
Deficiency of which vitamin is the main cause of night blindness? |
A. | Vitamin A |
B. | Vitamin B |
C. | Vitamin C |
D. | Vitamin D |
Answer» B. Vitamin B | |
5122. |
Who coined the term vitamin? |
A. | Funk |
B. | Lenak |
C. | Pasteur |
D. | Mendel |
Answer» B. Lenak | |
5123. |
Where is fat stored in the human body? |
A. | in the liver |
B. | in the skin |
C. | in adipose tissue |
D. | none of these |
Answer» D. none of these | |
5124. |
Carrots are a rich source of which vitamin? |
A. | Vitamin A |
B. | Vitamin B |
C. | Vitamin C |
D. | Vitamin D |
Answer» B. Vitamin B | |
5125. |
Which of the following is called a protective substance? |
A. | protein |
B. | Carbohydrate |
C. | Vitamins |
D. | fat |
Answer» D. fat | |
5126. |
Which of the following gives an athlete quicker and more energy? |
A. | protein |
B. | Carbohydrate |
C. | glucose |
D. | Vitamins |
Answer» C. glucose | |
5127. |
What is an enzyme basically? |
A. | lipids |
B. | acid |
C. | Carbohydrate |
D. | protein |
Answer» E. | |
5128. |
What make up tissues in the body? |
A. | protein |
B. | Carbohydrate |
C. | fat |
D. | Vitamins |
Answer» B. Carbohydrate | |
5129. |
Carbohydrates are re-stored in the human body? |
A. | glycogen |
B. | Sugar |
C. | starch |
D. | glucose |
Answer» B. Sugar | |
5130. |
What are the main components of honey? |
A. | protein |
B. | fat |
C. | Vitamins |
D. | Carbohydrate |
Answer» E. | |
5131. |
Which of the following sugars provides instant energy? |
A. | cellulose |
B. | maltose |
C. | glucose |
D. | none of these |
Answer» D. none of these | |
5132. |
In which protein is not found? |
A. | rice |
B. | lentils |
C. | Milk |
D. | Meat |
Answer» B. lentils | |
5133. |
What is the percentage of protein in soybean? |
A. | 50 % |
B. | 42 % |
C. | 64 % |
D. | 75 % |
Answer» C. 64 % | |
5134. |
Which of the following provides the most energy? |
A. | mineral salts |
B. | Carbohydrate |
C. | protein |
D. | Vitamins |
Answer» C. protein | |
5135. |
What is the main component of honey? |
A. | maltose |
B. | Fructose |
C. | glucose |
D. | Vitamins |
Answer» C. glucose | |
5136. |
What is the cover of the capsule made of? |
A. | Of starch |
B. | of protein |
C. | of glucose |
D. | of cellulose |
Answer» B. of protein | |
5137. |
Is it an essential ingredient of food? |
A. | protein |
B. | Carbohydrate |
C. | glucose |
D. | all these |
Answer» C. glucose | |
5138. |
What is the suicide sac of a cell called? |
A. | golgi body |
B. | mitochondria |
C. | centriole |
D. | lysosomes |
Answer» E. | |
5139. |
Which of the following substances acts as fuel in the human body? |
A. | Vitamins |
B. | water |
C. | protein |
D. | Carbohydrate |
Answer» E. | |
5140. |
Who discovered the nucleus first? |
A. | brown |
B. | robert hook |
C. | Fleming |
D. | none of these |
Answer» B. robert hook | |
5141. |
What is the physical basis of life? |
A. | the cell |
B. | nucleus |
C. | meal |
D. | protoplasm |
Answer» E. | |
5142. |
Where is mitochondria absent? |
A. | green algae |
B. | bacteria |
C. | fungus |
D. | Yeast |
Answer» C. fungus | |
5143. |
What gives green color to leaves? |
A. | chloroplast |
B. | tonoplast |
C. | chromoplast |
D. | none of these |
Answer» B. tonoplast | |
5144. |
What gives different types of attractive colors to flowers and seeds? |
A. | Leukoplast |
B. | tonoplast |
C. | chromoplast |
D. | none of these |
Answer» D. none of these | |
5145. |
The functional activities of the cell are controlled by? |
A. | By Kendrika |
B. | by nucleus |
C. | by protoplasm |
D. | none of these |
Answer» C. by protoplasm | |
5146. |
Who first used the word protoplasm? |
A. | rutherford |
B. | Huxley |
C. | Purkinje |
D. | John Dalton |
Answer» D. John Dalton | |
5147. |
Where is the Center for Cell and Molecular Biology located? |
A. | Hyderabad |
B. | Mumbai |
C. | Kolkata |
D. | none of these |
Answer» B. Mumbai | |
5148. |
Protoplasm is the physical basis of life, whose statement is it? |
A. | Huxley |
B. | lamarck |
C. | henry |
D. | none of these |
Answer» B. lamarck | |
5149. |
The difference between a plant cell and an animal cell is found due to the presence of? |
A. | cell wall |
B. | Cell membrane |
C. | nucleus |
D. | none of these |
Answer» B. Cell membrane | |
5150. |
Which organelle is often not present in animal cells? |
A. | golgi body |
B. | mitochondria |
C. | reaper |
D. | Mitochondria and Reaper |
Answer» D. Mitochondria and Reaper | |