Which of the following organisms reproduces through both sexual and asexual reproduction?
d) Amoeba Question 2
What is the primary difference between binary fission and multiple fission?
a) Number of offspring
b) Type of organisms
c) Duration of process
d) Both a and c Question 3
Which of the following is NOT a purpose of reproduction?
a) Continuation of species
b) Genetic diversity
c) Repair of damaged parts
d) Creation of new individuals Question 4
What is the process by which a single Planaria can grow into a complete organism if cut into pieces?
a) Binary Fission
d) Fragmentation Question 5
Which of the following is true about sexual reproduction?
a) It leads to identical offspring
b) It does not involve gametes
c) It promotes genetic diversity
d) It occurs only in unicellular organisms Question 6
In multiple fission, what structure often forms around the parent cell before division?
d) Spore Question 7
Which of the following is the correct sequence of events of sexual reproduction in a flower?
(a) pollination, fertilisation, seedling, embryo
(b) seedling, embryo, fertilisation, pollination
(c) pollination, fertilisation, embryo, seedling
(d) embryo, seedling, pollination, fertilisation Question 8
A farmer wants to grow banana plants genetically similar enough to the plants already available in his field. Which one of the following methods would you suggest for this purpose?
c) Vegetative propagation
d) Sexual reproduction Question 9
Choose the correct order of binary fission in Leihsmania
(a) I,II,III,V,IV Question 10
Consider the following three flowers namely X, Y and Z. Which flower(s) would develop into a fruit ?
(a) 'X' only
(b) 'Z' only
(c) 'X' and 'Y' only
(d) 'Y' and 'Z' only Question 11
When an ' X ' bearing sperm fertilises the egg, the resulting zygote has the following combination of chromosomes :
(d)22+XY Question 12
Plants which bear unisexual flowers are :
(a) Mustard and Papaya
(b) Hibiscus and Watermelon
(c) Mustard and Hibiscus
(d) Watermelon and Papaya Question 13
Vegetative propagation refers to formation of new plants from
(a) stem, roots and flowers
(b) stem, roots and leaves
(c) stem, flowers and fruits
(d) stem, leaves and flowers Question 14
In human females, an event that reflects onset of reproductive phase is
(a) growth of body
(b) changes in hair pattern
(c) change in voice
(d) menstruation Question 15
Which among the following diseases is not sexually transmitted?
(c) HIV - AIDS
(d) Gonorrhoea Question 16
Which organ produces sperm in the human male reproductive system?
a) Prostate Gland
b) Seminal Vesicle
d) Urethra Question 17
What is the site of fertilization in human females?
c) Fallopian Tube
d) Cervix Question 18
What structure provides nourishment to the developing embryo in humans?
a) Amniotic Sac
b) Umbilical Cord
d) Yolk Sac Question 19
Which method of contraception involves the removal of the uterus?
d) Condom Question 20
Which cells are involved in sexual reproduction in humans?
a) Somatic Cells
b) Stem Cells
d) Blood Cells
Question No. 21 to 22 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, and R is not the correct explanation of A.
c) A is true but R is false.
d) A is false but R is true. Question 21
Assertion: Probability of survival of an organism produced through sexual reproduction is more than that of organism produced through asexual mode.
Reason: Variations provide advantages to individuals for survival Question 22
Assertion (A) : When a bacterium divides into two, and the resultant two bacteria divide again, the four bacteria produced would be almost similar.
Reason (R) : DNA copying involves small inaccuracies in the reproduction process. Answers
1. c) Plasmodium
2. a) Number of offspring
3. c) Repair of damaged parts
4. c) Regeneration
5. c) It promotes genetic diversity
6. c) Cyst
16. (c) Testes
17. (c) Fallopian Tube
18. (c) Placenta
19. (c) Hysterectomy
20. (c) Gametes
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