Q. In flowering plants, the male gamete is produced in which part? (2021)
A.
Ovary
B.
Anther
C.
Stigma
D.
Style
Show solution
Solution
The male gamete is produced in the anther, which is part of the stamen in flowering plants.
Correct Answer: B — Anther
Learn More →
Q. In plants, which structure is primarily responsible for asexual reproduction? (2023)
A.
Roots
B.
Leaves
C.
Stems
D.
Flowers
Show solution
Solution
Stems, particularly in the form of runners or tubers, are primarily responsible for asexual reproduction in many plants.
Correct Answer: C — Stems
Learn More →
Q. In plants, which structure is responsible for sexual reproduction? (2021)
A.
Roots
B.
Leaves
C.
Flowers
D.
Stems
Show solution
Solution
Flowers are the reproductive structures in plants that facilitate sexual reproduction.
Correct Answer: C — Flowers
Learn More →
Q. In which of the following does external fertilization occur? (2019)
A.
Frogs
B.
Humans
C.
Birds
D.
Reptiles
Show solution
Solution
Frogs typically exhibit external fertilization, where eggs and sperm are released into the water.
Correct Answer: A — Frogs
Learn More →
Q. In which of the following organisms does binary fission occur? (2019)
A.
Yeast
B.
Amoeba
C.
Hydra
D.
Starfish
Show solution
Solution
Binary fission is a form of asexual reproduction commonly seen in unicellular organisms like Amoeba.
Correct Answer: B — Amoeba
Learn More →
Q. In which of the following organisms does external fertilization occur? (2021)
A.
Frog
B.
Human
C.
Dog
D.
Cat
Show solution
Solution
Frogs exhibit external fertilization where eggs and sperm are released into the water.
Correct Answer: A — Frog
Learn More →
Q. In which type of reproduction do offspring inherit traits from both parents? (2020)
A.
Asexual reproduction
B.
Sexual reproduction
C.
Budding
D.
Fragmentation
Show solution
Solution
In sexual reproduction, offspring inherit genetic material from both parents, leading to genetic variation.
Correct Answer: B — Sexual reproduction
Learn More →
Q. In which type of reproduction does fertilization occur outside the body? (2022)
A.
Internal fertilization
B.
External fertilization
C.
Asexual reproduction
D.
Parthenogenesis
Show solution
Solution
External fertilization occurs when the sperm and egg unite outside the body, commonly seen in aquatic organisms.
Correct Answer: B — External fertilization
Learn More →
Q. In which type of reproduction does fertilization occur? (2022)
A.
Asexual reproduction
B.
Binary fission
C.
Sexual reproduction
D.
Budding
Show solution
Solution
Fertilization occurs in sexual reproduction, where male and female gametes fuse to form a zygote.
Correct Answer: C — Sexual reproduction
Learn More →
Q. In which type of reproduction does genetic variation occur? (2019)
A.
Asexual reproduction
B.
Sexual reproduction
C.
Binary fission
D.
Fragmentation
Show solution
Solution
Sexual reproduction involves the combination of genetic material from two parents, leading to genetic variation.
Correct Answer: B — Sexual reproduction
Learn More →
Q. In which type of reproduction does regeneration occur? (2020)
A.
Asexual reproduction
B.
Sexual reproduction
C.
Both asexual and sexual reproduction
D.
None of the above
Show solution
Solution
Regeneration is a form of asexual reproduction where an organism can regrow lost parts.
Correct Answer: A — Asexual reproduction
Learn More →
Q. What is parthenogenesis? (2020)
A.
Development of an embryo from an unfertilized egg
B.
A form of asexual reproduction
C.
A type of sexual reproduction
D.
Both a and b
Show solution
Solution
Parthenogenesis is a form of asexual reproduction where an embryo develops from an unfertilized egg, and it is considered a type of asexual reproduction.
Correct Answer: D — Both a and b
Learn More →
Q. What is the main advantage of asexual reproduction? (2023)
A.
Genetic diversity
B.
Faster population growth
C.
Requires two parents
D.
Involves gametes
Show solution
Solution
Asexual reproduction allows for faster population growth since it does not require finding a mate.
Correct Answer: B — Faster population growth
Learn More →
Q. What is the main advantage of sexual reproduction? (2023)
A.
Faster reproduction
B.
Genetic variation
C.
Less energy required
D.
No need for a mate
Show solution
Solution
Sexual reproduction promotes genetic variation, which is beneficial for adaptation and evolution.
Correct Answer: B — Genetic variation
Learn More →
Q. What is the main disadvantage of asexual reproduction? (2022)
A.
Slower reproduction rate
B.
Lack of genetic variation
C.
Requires more energy
D.
Involves two parents
Show solution
Solution
The main disadvantage of asexual reproduction is the lack of genetic variation, which can make populations vulnerable to diseases.
Correct Answer: B — Lack of genetic variation
Learn More →
Q. What is the main purpose of reproduction in organisms? (2020)
A.
To maintain homeostasis
B.
To produce energy
C.
To ensure species survival
D.
To grow and develop
Show solution
Solution
The main purpose of reproduction is to ensure the survival of a species by producing new individuals.
Correct Answer: C — To ensure species survival
Learn More →
Q. What is the main purpose of sexual reproduction? (2020)
A.
To produce more offspring
B.
To create genetic diversity
C.
To ensure survival of the species
D.
To reduce competition
Show solution
Solution
The main purpose of sexual reproduction is to create genetic diversity, which can improve adaptability.
Correct Answer: B — To create genetic diversity
Learn More →
Q. What is the primary advantage of asexual reproduction? (2022)
A.
Genetic diversity
B.
Rapid population increase
C.
Requires less energy
D.
All of the above
Show solution
Solution
Asexual reproduction allows for rapid population increase as it does not require a mate.
Correct Answer: B — Rapid population increase
Learn More →
Q. What is the primary advantage of sexual reproduction? (2021)
A.
Faster reproduction
B.
Genetic diversity
C.
No need for a mate
D.
Lower energy requirement
Show solution
Solution
Sexual reproduction leads to genetic diversity, which can enhance survival in changing environments.
Correct Answer: B — Genetic diversity
Learn More →
Q. What is the primary mode of reproduction in unicellular organisms? (2020)
A.
Asexual reproduction
B.
Sexual reproduction
C.
Binary fission
D.
Budding
Show solution
Solution
Unicellular organisms primarily reproduce asexually, often through processes like binary fission.
Correct Answer: A — Asexual reproduction
Learn More →
Q. What is the primary purpose of reproduction in organisms? (2020)
A.
To increase genetic diversity
B.
To maintain homeostasis
C.
To produce energy
D.
To ensure survival of the species
Show solution
Solution
Reproduction ensures the continuation of a species by producing offspring.
Correct Answer: D — To ensure survival of the species
Learn More →
Q. What is the term for the development of an organism from an egg? (2023)
A.
Embryogenesis
B.
Metamorphosis
C.
Germination
D.
Fertilization
Show solution
Solution
Embryogenesis is the process of development of an organism from a fertilized egg.
Correct Answer: A — Embryogenesis
Learn More →
Q. What is the term for the process of forming gametes? (2021)
A.
Mitosis
B.
Meiosis
C.
Fertilization
D.
Budding
Show solution
Solution
Meiosis is the process that leads to the formation of gametes, reducing the chromosome number by half.
Correct Answer: B — Meiosis
Learn More →
Q. What is the term for the process where an organism develops from an unfertilized egg? (2020)
A.
Asexual reproduction
B.
Parthenogenesis
C.
Budding
D.
Fission
Show solution
Solution
Parthenogenesis is a form of asexual reproduction where an organism develops from an unfertilized egg.
Correct Answer: B — Parthenogenesis
Learn More →
Q. What type of reproduction occurs in flowering plants? (2021)
A.
Asexual reproduction
B.
Sexual reproduction
C.
Both asexual and sexual
D.
None of the above
Show solution
Solution
Flowering plants can reproduce both sexually (through seeds) and asexually (through vegetative propagation).
Correct Answer: C — Both asexual and sexual
Learn More →
Q. What type of reproduction occurs in sponges? (2020)
A.
Asexual reproduction only
B.
Sexual reproduction only
C.
Both asexual and sexual reproduction
D.
None of the above
Show solution
Solution
Sponges can reproduce both asexually through budding and sexually by producing gametes.
Correct Answer: C — Both asexual and sexual reproduction
Learn More →
Q. Which of the following is a characteristic of asexual reproduction? (2019)
A.
Involves two parents
B.
Produces genetically identical offspring
C.
Requires gametes
D.
Occurs in higher organisms only
Show solution
Solution
Asexual reproduction produces genetically identical offspring from a single parent.
Correct Answer: B — Produces genetically identical offspring
Learn More →
Q. Which of the following is a characteristic of sexual reproduction? (2022)
A.
Produces identical offspring
B.
Involves two parents
C.
Occurs in all organisms
D.
Faster than asexual reproduction
Show solution
Solution
Sexual reproduction typically involves two parents and results in offspring that are genetically diverse.
Correct Answer: B — Involves two parents
Learn More →
Q. Which of the following is a disadvantage of asexual reproduction? (2022)
A.
Requires less energy
B.
Produces many offspring quickly
C.
Lack of genetic variation
D.
Can occur in isolation
Show solution
Solution
Asexual reproduction lacks genetic variation, which can make populations more vulnerable to diseases and environmental changes.
Correct Answer: C — Lack of genetic variation
Learn More →
Q. Which of the following is a feature of sexual reproduction? (2021)
A.
Single parent
B.
Genetic variation
C.
Slow process
D.
All of the above
Show solution
Solution
Sexual reproduction involves two parents and results in genetic variation among offspring.
Correct Answer: B — Genetic variation
Learn More →
Showing 1 to 30 of 50 (2 Pages)