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Life Processes

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

First enzyme that gets mixed with food is

a)

Lipase

b)

Trypsin

c)

Pepsin

d)

Salivary amylase

2.

Pyruvic acid is converted to lactic acid in the --------of muscle cells

a)

Cytoplasm

b)

Mitochondria

c)

Golgi body

d)

None of these

3.

Roots of the plants absorb water from the soil through the process of:

a)

Diffusion

b)

Transpiration

c)

Osmosis

d)

None of these

4.

The procedure used for cleaning the blood of a person by separating urea from it is called:

a)

a) Osmosis

b)

b) Filtration

c)

c) Dialysis

d)

d) Double circulation

5.

Movement of the synthesized products from the leaves to the roots and other parts of a plant’s body takes place through the phloem. This process is known as:

a)

Translocation

b)

Transpiration

c)

Transportation

d)

Excretion

6.

Which is the first enzyme to mix with food in the digestive tract?

a)

Pepsin

b)

Cellulose

c)

Amylase

d)

Trypsin

7.

3.The mode of nutrition in Cuscuta

a)

a) Saprophytic

b)

b) Parasitic

c)

c) Holozoic

d)

d) Autotrohpic

8.

Name a circulatory fluid in the human body other than blood.

a)

Platelets

b)

RBC

c)

Lymph

d)

Plasma

9.

Which organelle is responsible making food (Glucose) using sunlight?

a)

Cell Membrane

b)

Nucleus

c)

Chloroplast

d)

Mitochondria

10.

Why do plants conduct photosynthesis?

a)

To make light

b)

To make mitochondria

c)

To make glucose

d)

To release carbon dioxide

11.

The green pigment used in photosynthesis is

a)

A. Phytochrome

b)

B. Chlorophyll

c)

C. Hemoglobin

d)

D. None

12.

How does most of the water needed by the plant get into its leaves?

a)

It enters through the stomata

b)

The roots absorb it and then it travels up the stem

c)

It's made during a chemical reaction in the leaf

d)

The flowers capture water and deliver it to the leaves

13.

Which process in the human body is primarily responsible for the exchange of oxygen and carbon dioxide?

a)

Respiration

b)

Digestion

c)

Excretion

d)

Photosynthesis

14.

In plants, which process is responsible for the movement of water from the roots to the leaves?

a)

Transpiration

b)

Photosynthesis

c)

Respiration

d)

Digestion

15.

What is the main function of the small intestine in the human digestive system?

a)

Absorption of nutrients

b)

Production of bile

c)

Filtration of blood

d)

Storage of waste