Reproduction in Animals Worksheet-1

Reproduction in Animals Worksheet-1

1. Which of the following statements is/are true/false?

(i) Oviparous animals give birth to young ones.

(ii) External fertilization takes place in frog.

(iii) An embryo is made up of a single cell.

(iv) A new human individual develops from a cell called gamete.

(v) Amoeba reproduces by binary fission.

(vi) A zygote is formed as a result of fertilization.

(a) (i), (iii) &(iv) are false, (ii), (v) & (vi) are true

(b) (i) & (iii) are false, (ii), (iv), (v)& (vi) are true

(c) (iii) & (iv) are false, (i), (ii), (v) & (vi) are true

(d) (iii) & (v) are false, (i), (ii), (iv) & (vi) are true.

2. Where is a jelly deposited as a cover on the egg of a frog?

(a) In the water after fertilization

(b) In the water during fertilization

(c) In the water before fertilization

(d) In the ovary.

3. Refer the given figure and select the correct option from the codes given below:

(a) P-Site of gamete production, Q-Site of fertilization, R-Site of development, S-Passage of sperm

(b) P-Site of gamete production, Q-Passage of sperm, R-Site of development, S-Site of fertilization

(c) P-Site of gamete production, Q-Site of development, R-Site of fertilization, S-Passage of sperm

(d) P-Site of fertilization, Q-Site of gamete, R-Site of development production, S-Passage of sperm

4. Which of the following statements about human growth is incorrect?

(a) Human beings stop growing in size at around 21 years of age

(b) Cell division occurs throughout the lives of human beings

(c) Human beings continue to grow bigger until they die

(d) Cell division is faster in young human beings than mature human beings.

5. Which of the following is incorrect about Dolly, the clone?

(a) It was cloned by Ian Wilmut and his colleagues

(b) During the process of its cloning the cell was collected from the udder of a female Finn Dorsett sheep

(c) It died its natural death

(d) It was given birth by the Scottish blackface ewe.

6. In the production of test tube babies

(a) Fertilization is internal and foetus formation external

(b) Fertilization is external and foetus formation internal

(c) Fertilization and foetus formation are external

(d) Fertilization and foetus formation are internal.

7. Read the given statements and select the correct option.

Statement 1: Our body secretes adrenaline during stress.

Statement 2: Adrenaline is secreted by adrenals.

(a) Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1

(b) Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1

(c) Statement 1 is true but statement 2 is false

(d) Both statements 1 and 2 are false.

8. Branch of biology dealing with aging is called

(a) Gerontology

(b) Psychobiology

(c) Kalology

(d) Geriatrics.

9. Which of the following is correct about X?

(a) It helps in uterine lining to slough off

(b) It is the product of ovulation

(c) It helps in uterine lining to produce a thin mucus

(d) it is immature product released from ovary.

10. Given below is a diagrammatic sketch of a portion of human male reproductive system. Select the correct set of the names of the parts labeled P, Q, R, S.

(a) P-Sperm duct, Q-Ureter, R-Vas deferens, S-Penis

(b) P-Ureter, Q-Urinary Dladder, R-Sperm duct, S-Penis

(c) P-Ureter, Q-Ureter, R-Vas deferens, S-Penis

(d) P-Sperm duct, Q-Urinary bladder, R-Prostate, S-Penis

Answer Key:

(1)-(a); (2)-(c); (3)-(a); (4)-(c); (5)-(c); (6)-(b); (7)-(b); (8)-(a); (9)-(b); (10)-(d)