MBOSE Class 10 Biology Quiz ( 50 Questions )

Question 1

Which of the following processes involves the breakdown of glucose into a three-carbon molecule called pyruvate?

Accepted Answer

Glycolysis

Question 2

In which part of the human alimentary canal is food finally digested?

Accepted Answer

Small Intestine

Question 3

What is the function of the valves present in the heart and veins?

Accepted Answer

To prevent the backflow of blood

Question 4

Which plant hormone is primarily responsible for the promotion of cell division?

Accepted Answer

Cytokinin

Question 5

The gap between two neurons is called a:

Accepted Answer

Synapse

Question 6

Which of the following is an example of a reflex action?

Accepted Answer

Blinking of eyes when a bright light flashes

Question 7

Asexual reproduction in Hydra takes place through which method?

Accepted Answer

Budding

Question 8

The ability of an organism to replace its lost body parts is known as:

Accepted Answer

Regeneration

Question 9

What is the main function of the prostate gland and seminal vesicles in the male reproductive system?

Accepted Answer

To provide nutrition and a fluid medium for sperm transport

Question 10

Which of the following is a female germ cell in humans?

Accepted Answer

Ovum

Question 11

The exchange of genetic material takes place in which type of reproduction?

Accepted Answer

Sexual reproduction

Question 12

According to Mendel, what is the phenotypic ratio of a dihybrid cross in the F2 generation?

Accepted Answer

9:3:3:1

Question 13

Which part of the DNA provides information for making a specific protein?

Accepted Answer

Gene

Question 14

A cross between a tall pea plant (TT) and a short pea plant (tt) results in offspring that are all tall. This is because:

Accepted Answer

Tallness is a dominant trait

Question 15

The theory of natural selection was proposed by:

Accepted Answer

Charles Darwin

Question 16

Homologous organs are those that have:

Accepted Answer

Same structure but different functions

Question 17

Which of the following is a biodegradable waste?

Accepted Answer

Peels of vegetables

Question 18

In an ecosystem, the flow of energy is always:

Accepted Answer

Unidirectional

Question 19

What percentage of energy is typically transferred from one trophic level to the next higher level?

Accepted Answer

10%

Question 20

The depletion of the ozone layer is mainly caused by:

Accepted Answer

Chlorofluorocarbons (CFCs)

Question 21

Which of the following is a primary consumer in a food chain?

Accepted Answer

Herbivores

Question 22

The concept of 'Sustainable Development' encourages:

Accepted Answer

Preservation of resources for future generations

Question 23

Which of the following is an example of a non-renewable source of energy?

Accepted Answer

Coal

Question 24

The process of water moving through a plant and evaporating from leaves is called:

Accepted Answer

Transpiration

Question 25

What is the mode of nutrition in fungi?

Accepted Answer

Saprophytic

Question 26

The breakdown of pyruvate using oxygen takes place in the:

Accepted Answer

Mitochondria

Question 27

Which blood component is responsible for the clotting of blood at the site of an injury?

Accepted Answer

Platelets

Question 28

The filtering units of the human kidney are called:

Accepted Answer

Nephrons

Question 29

The movement of sunflower towards the sun is an example of:

Accepted Answer

Phototropism

Question 30

Which hormone regulates the blood sugar level in the human body?

Accepted Answer

Insulin

Question 31

The main function of the cerebellum is:

Accepted Answer

Maintaining posture and balance

Question 32

Which of the following is NOT an involuntary action?

Accepted Answer

Chewing food

Question 33

The process where a single parent produces offspring without the fusion of gametes is:

Accepted Answer

Asexual reproduction

Question 34

In flowering plants, the pollen grains are produced in the:

Accepted Answer

Anther

Question 35

The sequence of reproductive stages seen in flowering plants is:

Accepted Answer

Gametophyte -> Zygote -> Embryo -> Seedling

Question 36

Which of the following methods of contraception also protects against sexually transmitted diseases (STDs)?

Accepted Answer

Condoms

Question 37

A person who inherits an X chromosome from their father will be a:

Accepted Answer

Girl

Question 38

The presence of which of the following confirms that two species are closely related?

Accepted Answer

They have similar DNA sequences

Question 39

Artificial selection has been used by farmers to evolve different vegetables from wild cabbage. Which vegetable was developed for sterile flowers?

Accepted Answer

Cauliflower

Question 40

Which of the following is a vestigial organ in humans?

Accepted Answer

Appendix

Question 41

A food chain always begins with:

Accepted Answer

Producers

Question 42

The 'Amrita Devi Bishnoi National Award' is given for:

Accepted Answer

Wildlife conservation

Question 43

The three R's to save the environment are:

Accepted Answer

Reuse, Reduce, Recycle

Question 44

Which of the following is the main component of Biogas?

Accepted Answer

Methane

Question 45

What is the role of bile juice in digestion?

Accepted Answer

Emulsification of fats

Question 46

Which part of the leaf allows gas exchange to occur?

Accepted Answer

Stomata

Question 47

The breakdown of proteins into amino acids begins in the:

Accepted Answer

Stomach

Question 48

Which pigment is responsible for the red color of human blood?

Accepted Answer

Hemoglobin

Question 49

A mendelian experiment consisted of breeding tall pea plants bearing violet flowers with short pea plants bearing white flowers. What will be the color of flowers in F1 progeny?

Accepted Answer

All Violet

Question 50

The main disadvantage of the 'Greenhouse Effect' is:

Accepted Answer

Global warming

Quick Navigator

Site Exploration

MBOSE Class 10 Biology Quiz ( 50 Questions )

Ready to begin your session?

Prep Doubt Hub

Raise a Doubt Cancel reply

Quick Navigator

Site Exploration

Ready to begin your session?

Prep Doubt Hub

Raise a Doubt Cancel reply

Daily Limit Reached