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08 Life Processes

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

The major source of energy on earth is from _________

a)

Autotrophs

b)

Animals

c)

Solar Energy

d)

Heat Energy

2.

Human beings nutrition can be categorized as _____

a)

Symbiotic

b)

Parasitic

c)

Saprotrophic

d)

Holozooic

3.

The Kidney in human beings has filtration units called _____

a)

Neurons

b)

Nephrons

c)

Neutrons

d)

Neptune

4.

Rajiv had muscle pain due to excessive exercise he had done. This pain is due to ________

a)

Pyruvic Acid

b)

Acetic Acid

c)

Lactic Acid

d)

None of them

5.

Villi present on the inner lining of the intestine wall _________

a)

helps secrete enzymes for digestion

b)

helps decrease surface area of absorption

c)

helps increase surface area of absorption

d)

helps secrete harmones

6.

The enzyme Pepsin is inactive in stomach without the presence of _____

a)

Nitric Acid

b)

Hydrochloric acid

c)

Acetic acd

d)

Butyric Acid

7.

In Photosynthetic process, carbon di oxide is ______ to carbohydrates.

a)

Reduced

b)

Oxidised

c)

Neutralised

d)

Burnt

8.

Which of the following enzymes get mixed with food in our mouth ?

a)

Trypsin

b)

Pepsin

c)

Adenosine

d)

Amylase

9.

During respiration exchange of O2 and CO2 takes place in _____

a)

Pharynx & Larynx

b)

Trachea & Lungs

c)

Alveoli of lungs

d)

Larynx & throat

10.

Total amount of ATP produced in aerobic respiration is ______

a)

18 ATP

b)

28 ATP

c)

38 ATP

d)

None of them

11.

Bile produced by liver is acidic in nature.

a)

True

b)

False

12.

Where is the dirty blood in our body filtered ?

a)

Alveoli

b)

Arteries

c)

Heart

d)

Nephron in Kidney

13.

Which of the following is anabolic process ?

a)

Digestion

b)

Translocation

c)

Respiration

d)

Photosynthesis

14.

Light reaction of photosynthesis occurs in _____

a)

Stroma

b)

Thylakoids of granum

c)

Matrix

d)

Chloroplast membrane

15.

Photosynthetic pathway which occurs in tropical grass plants is ____

a)

Hatch & Slack Cycle

b)

Calvin Cycle

c)

Hills Reaction

d)

Blackman's reaction

16.

Which phytohormone is generally used in tissue culture for establishing roots in callus ?

a)

Cytokinin's

b)

Auxins

c)

Gibberellins

d)

Abscisic Acid

17.

Development of fruit without fertilization is known as ______

a)

Parthenogenesis

b)

Parthenocarpy

c)

Apogamy

d)

Syngamy

18.

Stomata open at night and close during daytime in ______

a)

Succulent CAM plants

b)

Hydrophytes

c)

Halophytes

d)

Mesophytes

19.

The enzyme RuBisCO is located inside _______

a)

Chloroplasts

b)

Mitochondria

c)

Peroxisomes

d)

Golgi Bodies

20.

Carbon dioxide fixation is associated with ____

a)

Krebs Cycle

b)

Calvin Cycle

c)

Glycolysis

d)

Photorespiration

21.

One of the most resistant biological material is _______

a)

Lignin

b)

Cellulose

c)

Hemi-cellulose

d)

Sporopollenin

22.

Which is the hormone responsible for apical dominant growth ?

a)

Gibberellins

b)

Auxins

c)

Kinetin

d)

Abscisic acid

23.

The phytohormone involved in phototropism is _____

a)

2, 4 - D

b)

Kinetin

c)

IAA

d)

Gibberellin

24.

Match the following:

a)

i, ii, iii, iv, v

b)

i, iv, v, ii, iii

c)

iv, i, ii, v, iii

d)

iv, i, v, iii, ii

25.

If a horticulturist used gibberellins in a dwarf plant, then which of the following are correct ?

a)

C and D

b)

A and B

c)

A and C

d)

B and D