Biology Basics Quiz

Question 1

Answer the picture-

Accepted Answer

ii and iii

Question 2

The opening and closing of stomata is controlled by

Accepted Answer

Guard cells

Question 3

In a neuron conversion of electrical signal to chemical reaction occurs at-

Accepted Answer

Axon terminal, Cell Body

Question 4

In photosynthesis, the light energy is used to

Accepted Answer

Split water molecules

Question 5

In which form is food transported in plants?

Accepted Answer

Sucrose

Question 6

Answer-

Accepted Answer

B

Question 7

Reflex action is controlled by

Accepted Answer

Spinal cord

Question 8

Answer-

Accepted Answer

D

Question 9

The process of transportation of water in plants occurs through

Accepted Answer

Xylem

Question 10

Which of these is NOT involved in human respiration?

Accepted Answer

Nephron

Question 11

Which gas is taken in during photosynthesis?

Accepted Answer

Carbon dioxide

Question 12

What prevents backflow of blood in veins?

Accepted Answer

Valves

Question 13

Which part of nephron is responsible for filtration of blood?

Accepted Answer

Glomerulus

Question 14

Answer-

Accepted Answer

b

Question 15

Answer the picture-

Accepted Answer

B and C

Question 16

Which structure connects the mouth to the stomach?

Accepted Answer

Oesophagus

Question 17

Which of the following is the correct sequence in human digestion?

Accepted Answer

Mouth -> Oesophagus -> Stomach -> Small intestine -> Large intestine

Question 18

What is the main function of phloem?

Accepted Answer

Transport food

Question 19

What is the correct direction of flow of electrical impulses?

Accepted Answer

C

Question 20

Electrical impulses travels in a neuron from-

Accepted Answer

Cell body --> dendrite -->axon ---> axon end, Dendrite --> cell body ---> axon ---> axon end

Questions 20