ICSE Class 12 Biology by Pavan | Practice Test to Test Your Knowledge
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ICSE Class 12 Biology

ICSE Class 12 Biology

Detailed mock test on Human Anatomy, Plant Biology, Genetics, and Evolution. Features diagram-based questions, case studies, and application-based problems.

2025-07-19
Pavan Pavan
ICSE Class 12 Biology Grade 12

Duration

30 min

Questions

30

Marking

Negative

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Questions Preview

What is the primary characteristic feature of all organisms for the continuation of species?

A
Reproduction
B
Respiration
C
Metabolism
D
Growth

Which of the following is NOT a method of asexual reproduction?

A
Binary fission
B
Sporulation
C
Budding
D
Fertilization

Which of the following is an example of vegetative propagation in plants?

A
Budding in yeast
B
Sporulation in fungi
C
Grafting in roses
D
Binary fission in bacteria

Which of the following is true for sexual reproduction in flowering plants?

A
It involves fusion of male and female gametes
B
It occurs without the involvement of gametes
C
It involves only one parent
D
It produces genetically identical offspring

What is pollination in flowering plants?

A
Transfer of pollen from male to female reproductive organs
B
Fusion of male and female gametes
C
Development of seeds from ovules
D
Growth of the pollen tube

Which of the following is an outbreeding device in plants?

A
Self-pollination
B
Cross-pollination
C
Autogamy
D
Vegetative propagation

What is double fertilization in flowering plants?

A
Fusion of two male gametes with one female gamete
B
Fusion of one male gamete with two female gametes
C
Fusion of one male gamete with one female gamete and the other male gamete with two polar nuclei
D
Fusion of two female gametes

What is the result of double fertilization in flowering plants?

A
Formation of zygote and endosperm
B
Formation of seed and fruit
C
Formation of only seed
D
Development of embryo without fertilization

What is apomixis in plants?

A
Production of seeds without fertilization
B
Cross-pollination without fertilization
C
Asexual reproduction in flowering plants
D
Fertilization without the fusion of gametes

What is polyembryony in plants?

A
Formation of multiple embryos from a single fertilized egg
B
Formation of seeds without fertilization
C
Development of multiple seeds from a single flower
D
Cross-pollination involving multiple plants

What is the role of the placenta during pregnancy?

A
To provide nutrients and oxygen to the fetus
B
To protect the fetus from infections
C
To remove waste products from the fetus
D
All of the above

What is fertilization in human reproduction?

A
Fusion of sperm and egg to form a zygote
B
Development of the embryo in the uterus
C
Maturation of the sperm and egg
D
Production of sex hormones

Which of the following processes occurs during spermatogenesis?

A
Formation of sperm cells from spermatogonia
B
Formation of eggs from oogonia
C
Formation of the zygote
D
Maturation of sperm

Which of the following hormones is responsible for ovulation in females?

A
Luteinizing hormone (LH)
B
Follicle-stimulating hormone (FSH)
C
Estrogen
D
Progesterone

What is the function of the corpus luteum during the menstrual cycle?

A
Secretes progesterone to maintain pregnancy
B
Secretes estrogen to prepare the uterus for implantation
C
Stimulates ovulation
D
Promotes menstruation

Which of the following is a part of the female reproductive system?

A
Ovary
B
Uterus
C
Fallopian tube
D
All of the above

What is the menstrual cycle?

A
The cycle of egg maturation and release, followed by shedding of the uterine lining
B
The formation of sperm in males
C
The development of the fetus in the uterus
D
The formation of gametes in the ovaries

What is the role of the placenta during pregnancy?

A
To provide nutrients and oxygen to the fetus
B
To remove waste products from the fetus
C
To protect the fetus from harmful substances
D
All of the above

What is lactation?

A
The process of milk production in females
B
The process of embryo development
C
The process of fertilization
D
The process of uterine contraction during childbirth

Which of the following methods is used for contraception?

A
Condoms
B
Oral contraceptive pills
C
Intrauterine device (IUD)
D
All of the above

What is amniocentesis?

A
A medical test to detect genetic abnormalities in the fetus
B
A method of contraception
C
A procedure for removing waste products from the fetus
D
A process of sperm storage

What is IVF (In Vitro Fertilization)?

A
A technique used to fertilize an egg outside the female body
B
A method of contraception
C
A process of embryo development
D
A process of sperm donation

Which of the following is a sexually transmitted disease (STD)?

A
HIV/AIDS
B
Tuberculosis
C
Malaria
D
All of the above

What is ZIFT (Zygote Intrafallopian Transfer)?

A
A procedure where the zygote is transferred to the fallopian tube
B
A technique used to collect eggs from the ovary
C
A method to fertilize eggs in a laboratory
D
A process of sperm extraction

What is the main purpose of birth control methods?

A
To prevent unwanted pregnancies
B
To cure sexually transmitted diseases
C
To increase fertility
D
To promote sexual activity

Which of the following is a method of medical termination of pregnancy (MTP)?

A
Surgical removal of the fetus
B
Using contraceptive pills
C
Intrauterine device (IUD)
D
Vaccination

What is the role of FSH (Follicle-stimulating hormone) in females?

A
It stimulates the development of eggs in the ovaries
B
It promotes the production of milk
C
It initiates ovulation
D
It helps in pregnancy maintenance

What is parturition?

A
The process of giving birth
B
The process of lactation
C
The process of fertilization
D
The development of the embryo

Which of the following is a sexually transmitted disease (STD)?

A
HIV/AIDS
B
Tuberculosis
C
Malaria
D
All of the above

What is the significance of seed dispersal?

A
To spread seeds to new areas for growth
B
To protect seeds from predators
C
To increase the chances of fertilization
D
To make seeds available for consumption