Question 1

Yeast used in making bread is a

Accepted Answer

Yeast used in making bread is a Fungus.

Question 2

Select the correct statement about immune system?

Accepted Answer

Among the given options, the correct statement about immunodeficiency is "The causative agent in acquired immune deficiency syndrome (AIDS) is a virus that recognizes CD4 proteins".

Question 3

Humans cannot digest cellulose because they

Accepted Answer

Humans cannot digest cellulose because they are lacking with the enzymes responsible to breakdown the beta acetal linkages

Question 4

Dysfunctional behaviors are maladaptive which means that they

Accepted Answer

Dysfunctional behaviors are maladaptive which means that they interfere with everyday life.

Question 5

A sudden loss of memory is a symptom of

Accepted Answer

A sudden loss of memory is a symptom of Amnesia which is caused by an injury or damage to our brain. In that situation we cannot remember about ourself and our life.

Question 6

Some niacin is formed in the body from

Accepted Answer

Niacin is the name for vitamin(B3). Liver can produce small amount of niacin from tryptophan. To produce 1 mg of niacin we require 60 mg of tryptophan.

Question 7

Part of the plant where photosynthesis generally occurs

Accepted Answer

In a plant, photosynthesis generally occurs in the leaves part as leaves have chlorophyll which is used for making food using sunlight.

Question 8

Produces a usable form of energy for the cell

Accepted Answer

We all know that, Mitochondria is the powerhouse of the cell. In both Plants and animals, it produces a usable form of energy.

Question 9

Myopia is connected with

Accepted Answer

Myopia is a disease connected with eyes. Myopia is also called as Nearsightedness. It is a common vision condition in which you can see objects near to you clearly, but objects farther away are blurry. It occurs when the shape of your eye causes light rays to bend (refract) incorrectly, focusing images in front of your retina instead of on your retina.

Question 10

Name the part of neuron where information is acquired.

Accepted Answer

The part of neuron where information is acquired is called as Neuron.

Question 11

A man with colour blindness will see red as

Accepted Answer

green

Question 12

Lysogeny can result in all of the following except

Accepted Answer

Lysogeny can result in all of the following except Immunity to reinfection by any phage. Lysogeny means phage DNA is incorporated in Host cell DNA.

Question 13

Smallest cell in human body is

Accepted Answer

Sperm

Question 14

All of the following are fat-soluble vitamins except

Accepted Answer

A vitamin is an organic molecule that is an essential micronutrient that an organism needs in small quantities for the proper functioning of its metabolism. There are 13 essential vitamins that our body need. They are categorized into 1. Water soluble 2. Fat soluble Water-soluble vitamins dissolve in water, which means these vitamins and nutrients dissolve quickly in the body. Unlike fat-soluble vitamins, water-soluble vitamins are carried to the body’s tissues, but the body cannot store them. Water-soluble vitamins are Vitamin B1, B2, B3, B5, B12, B6, B7 & B9 and Vitamin C. Fat-soluble vitamins are soluble in fats. They are absorbed by fat globules that travel through the small intestines and into the general blood circulation within the body. Unlike water-soluble vitamins, fat-soluble vitamins are stored in the body when they are not in use. Fat-soluble vitamins are - Vitamin A, D, E and K.

Question 15

All of the following are true of neurons except that

Accepted Answer

All of the following are true of neurons except that they are a very specialized form of connective tissue.

Question 16

Which of the following statements about enzymes is not true?

Accepted Answer

All enzymes have the same shape as their substrates is the FALSE statement regarding enzymes.

Question 17

Which of the following does nutritional genomics study?

Accepted Answer

Nutritional genomics is a science studying the effects of food and food constituents on gene expression and the relationship between human genome, nutrition and health. It is also known as nutrigenomics. It also studies how genetic variations affect the nutritional environment.

Question 18

Which of the following statements about vitamins is true?

Accepted Answer

Vitamins are indispensable for the maintenance of optimal health is the only statement that is true about vitamins.

Question 19

Which of the following organs do not have blood vessels?

Accepted Answer

Corneas are only tissues that don’t have blood vessels. Tissues are the level cellular organization in the human body which lies between cells and a complete organ. Tissues of similar cells group together to form an organ. There are four types of tissues. They are : Epithelial, Connective, Muscular, and Nervous tissue.

Question 20

Which organelles supply energy to the cell?

Accepted Answer

Mitochondria which is present in both plant and animal cells supplies energy to the cells and hence called as the powerhouse of the cell.

Biology Questions