10 COMMON QUESTION ON BIOLOGY

Question 1

Which plant is called Herbal–Indian Doctor?

  Neem

  Amla

  Mango

  Tulsi

It's 'Neem '
Neem is a fast-growing tree that can reach a height of 15–20 metres. It is evergreen, but in severe drought it may shed most or nearly all of its leaves. Neem is also called Herbal-Indian Doctor.

Question 2

Wait of human brain in gram is?

  1350

  1230

  1100

  1500

It's '1350 '
The mass of a newborn human brain is about 350-400g. The mass of an adult human brain is about 1,300 to 1,400 g. The brain makes up about two percent of the human’s mass.

Question 3

Dog bite can cause rabies. Which among the following other animals can also cause rabies?

  Donkey

  Bat

  Horse

  Crocodile

It's 'Bat '
Rabies is a viral illness spread via the saliva of an infected animal. This occurs usually through biting a human or another animal. Rabies is most often transmitted via the saliva of bats, coyotes, foxes, raccoons, and skunks.

Question 4

Which of the following structure of a plant is responsible for transpiration?

  Xylem

  Root

  Stomata

  Bark

It's 'Stomata '
Stomata are minute aperture structures on plants found typically on theouter leaf skin layer, also known as the epidermis. They consist of two specialized cells, called guard cells that surround a tiny pore called a stoma.

Question 5

Mitochondria are store house of?

  Glycongen

  Glucose

  ATP

  Fats

It's 'ATP '
Mitochondria range from 0.5 to 1.0 μm in diameter. A considerable variation can be seen in the structure and size of this organelle. These structures are described as "the powerhouse of the cell" because they generate most of the cell's supply of adenosine triphosphate (ATP), used as a source of chemical energy.

Question 6

Which one can respire in absence of oxygen?

  Seeds

  Leaves

  Stem

  Root

It's 'Seeds '
Respiration is a biochemical process during which simple carbohydrates, like glucose, are broken down to release energy. Seeds can respire in absence of Oxygen.

Question 7

Among the following animals choose the one having three pair of legs _______?

  Spider

  Scorpion

  Bug

  Mite

It's 'Bug '
All insects have six legs. They make up a group of arthropod called thehexapods - meaning six legs. There are about 25 different groups of insect, each group is called an order. Bug having there pair of legs.

Question 8

Which one of the following organs breaks fat to produce cholesterol?

  Intestune

  Liver

  Lungs

  Kidneys

It's 'Liver '
Bile acids are produced by the liver and stored in the gallbladder. When you eat a meal with fat, bile is released from your gallbladder into your digestive tract. Bile has two sides. One side of bile is hydrophobic and the other side is hydrophilic. Bile is made up of a steroid molecule, which comes fromcholesterol and a small side chain that has hydrophilic sections.

Question 9

Which one of the following organs of the human body break down the old red blood cells and store iron from them?

  Kidney

  Gall bladder

  Pancreas

  Spleen

It's 'Spleen '
The spleen plays multiple supporting roles in the body. It acts as a filter for blood as part of the immune system. Old red blood cells are recycled in the spleen and platelets and white blood cells are stored there. The spleen also helps fight certain kinds of bacteria that cause pneumonia and meningitis.

Question 10

Which of the following is a good source of Vitamin E?

  Calf’s liver

  Skim milk

  Raw tomatoes

  Vegetable Oil

It's 'Vegetable Oil '
Vitamin E is found naturally in some foods, added to others and available as a dietary supplement. Vegetable Oil is a good source of Vitamin E.