Free PDF Download of CBSE Class 10 Science Chapter 8 How Do Organisms Reproduce Assertion Reason Questions for Class 10 Science. Assertion and Reason Question for Class 10 Science with Answers were Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 10 Science How Do Organisms Reproduce to know their preparation level.
How Do Organisms Reproduce Class 10 Assertion Reason Questions
The following questions consist of two statements – Assertion (A) and Reason (R). Answer these questions selecting the appropriate option given below:
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
Q.1. Assertion(A): Testes lie in penis outside the body.
Reason (R) : Sperms require temperature lower than the body temperature for development
(d) A is false but R is true.
Q.2. Assertion(A) : Spores are unicellular bodies.
Reason (R) : The parent body simply breaks up into smaller pieces on maturation.
(c) A is true but R is false.
Q.3. Assertion(A) : Asexual reproduction is a primitive type of reproduction.
Reason (R) : Asexual reproduction involves only mitotic cell division.
(a) Both A and R are true and R is the correct explanation of A.
Q.4. Assertion(A) : Growth hormone stimulates the growth of different body parts.
Reason (R) : Gonadotropins stimulate the production of sex hormones.
(b) Both A and R are true but R is not the correct explanation of A.
Q.5. Assertion(A): Pollen grains from the carpel stick to the stigma of stamen.
Reason (R) : The fertilised egg cells grow inside the ovules and become seeds.
(d) Assertion is false but reason is true
Q.6. Assertion(A) : The offspring produced by sexual reproduction is likely to adjust better in environmental fluctuation.
Reason (R) : During the fusion of gametes there is mixing of genetic material from two parents.
(a) Both A and R are true and R is the correct explanation of A.
Q.7. Assertion(A) : Colonies of yeast multiply in sugar solution.
Reason (R) : Sugar is made of sucrose which provides energy for sustaining all life activities.
(a) Both A and R are true and R is the correct explanation of A.
Q.8. Assertion(A) : Clones are offspring of an organism formed by asexual reproduction.
Reason (R) : Clones have exact copies of DNA as their parent.
(b) Both A and R are true but R is not the correct explanation of A.
Q.9.Assertion(A): The child sex ratio is declining at an larming rate in some sections of our society.
Reason(R): Female foeticides are carried out recklessly.
(a) Both A and R are true and R is the correct explanation of A.
Q.10.Assertion (A): In females the egg is carried from the ovary to the womb through a thin oviduct or fallopian tube.
Reason (R): The uterus opens into the vagina through the cervix.
(b) Both A and R are true but R is not the correct explanation of A.
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