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Class 10 Science Chapter 7 Assertion and Reason Questions - How Do Organisms Reproduce

Q1:

Question for Assertion & Reason Type Questions: How do Organisms Reproduce?
Try yourself: Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:

Assertion : Clones are offspring of an organism formed by asexual reproduction.

Reason : Clones have exact copies of DNA as their parents.

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Q2:

Question for Assertion & Reason Type Questions: How do Organisms Reproduce?
Try yourself: Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:

Assertion : Colonies of yeast multiply in sugar solution.

Reason : Sugar is made of sucrose which provides energy for sustaining all life activities

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Q3:

Question for Assertion & Reason Type Questions: How do Organisms Reproduce?
Try yourself: Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:

Assertion : Asexual reproduction is a primitive type of reproduction.

Reason : Asexual reproduction involves only mitotic cell division.

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Q4:

Question for Assertion & Reason Type Questions: How do Organisms Reproduce?
Try yourself: Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:

Assertion : Spores are unicellular bodies.

Reason : The parent body simply breaks up into smaller pieces on maturation

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Q5:

Question for Assertion & Reason Type Questions: How do Organisms Reproduce?
Try yourself: Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:

Assertion : At puberty, in boys, the voice begins to crack and thick hair grows on the face.

Reason : At puberty, there is decreased secretion of testosterone in boys.

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Q6:

Question for Assertion & Reason Type Questions: How do Organisms Reproduce?
Try yourself: Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:

Assertion : Plasmodium reproduces by multiple fission.

Reason : Multiple fission is a type of asexual reproduction.

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Q7:

Question for Assertion & Reason Type Questions: How do Organisms Reproduce?
Try yourself: Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:

Assertion : Holoblastic cleavage with almost equal sized blastomeres is a characteristic of placental animals.

Reason : Eggs of most mammals, including humans, are of centrolecithal type.

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Q8:

Question for Assertion & Reason Type Questions: How do Organisms Reproduce?
Try yourself: Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:

Assertion : Asexual reproduction is also called blastogenesis.

Reason : In asexual reproduction, their is no formation and fusion of gametes.

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Q9:

Question for Assertion & Reason Type Questions: How do Organisms Reproduce?
Try yourself: Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:

Assertion : Urethra in human male acts as urogenital canal.

Reason : Urethra carries only urine while sperms are carried by vasa deferentia only.

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Q10:

Question for Assertion & Reason Type Questions: How do Organisms Reproduce?
Try yourself: Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:

Assertion : Pollen grains from the carpel stick to the stigma of stamen.

Reason : The fertilised egg cells grow inside the ovules and become seeds.

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Q11:

Question for Assertion & Reason Type Questions: How do Organisms Reproduce?
Try yourself: Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:

Assertion : Unisexual flowers have separate male and female flowers whereas a typical monocot embryo comprises an embryonal axis with single cotyledon.

Reason : Cucumber, pumpkin and water melon are example of unisexual flowers.

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Q12:

Question for Assertion & Reason Type Questions: How do Organisms Reproduce?
Try yourself: Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:

Assertion : In human male, there are perianal glands near the anus.

Reason : Perianal glands secrete sex-attractant pheromone which initiates sexual desire in human female.

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Q13:

Question for Assertion & Reason Type Questions: How do Organisms Reproduce?
Try yourself: Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:

Assertion : Vasectomy is a surgical method or birth control.

Reason : In vasectomy, a small portion of the oviduct is cut or tied properly.

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Q14:

Question for Assertion & Reason Type Questions: How do Organisms Reproduce?
Try yourself: Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:

Assertion : Vagina is also called the birth canal.

Reason : During birth, the baby passes through the vagina.

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Q15:

Question for Assertion & Reason Type Questions: How do Organisms Reproduce?
Try yourself:Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:

Assertion : In human male, testes are extra-abdominai which are present inside scrotum.
Reason : Scrotum has a relatively lower temperature needed for the production and storage of sperms.

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