Saturday, October 20, 2012

CBSE Class 10 - Science - CH8 - How do Organisms Reproduce? (MCQs)

Class 10 - Biology - How do Organisms Reproduce? 
Class 10 - Biology - How do Organisms Reproduce?
Cross-section of Flower
credits: clker.com
MCQs

Q1(FA Manual): The information source for making proteins is

(a) Rough Endoplasmic reticulum
(b) DNA
(c) Hormones
(d) Enzymes





Q2: The embryo gets nutrition from the mother’s blood with the help of a special tissue called:

(a) zygote
(b) uterus only
(c) placenta
(d) none of these

Q3(NCERT): Asexual reproduction takes place through budding in
(a) amoeba.
(b) yeast.
(c) plasmodium.
(d) leishmania.

Q4(NCERT): Which of the following is not a part of the female reproductive system in human beings?
(a) Ovary
(b) Uterus
(c) Vas deferens
(d) Fallopian tube

Q5(FA Manual): Binary fission in some organisms occurs in definite orientation in relation to the cell structures. One such organisms is:

(a) Leishmania
(b) Plasmodium
(c) Amoeba
(d) Bacteria

Q6(FA Manual): Plants that have lost their capacity to produce seeds, reproduce by

(a) Spores
(b) Vegetative propagation
(c) Fission
(d) Regeneration

Q7(FA Manual): A stamen consists of two parts namely:

(a) Anther and style
(b) Anther and filament
(c) Stigma and style
(d) Filament and style

Q8(FA Manual): A bisexual flower contains

(a) Stamens only
(b) Carpels only
(c) Either stamens or carpels
(d) Both stamens and carpels

Q9(NCERT): The anther contains
(a) sepals.
(b) ovules.
(c) carpel.
(d) pollen grains.

Q10(NCERT EXEMPLAR): A feature of reproduction that is common to Amoeba, Spirogyra and Yeast is that
(a) they reproduce asexually
(b) they are all unicellular
(c) they reproduce only sexually
(d) they are all multicellular

Q11(FA Manual): Which of the flower ripens to form a fruit?

(a) Ovule
(b) Ovary
(c) Carpel
(d) Egg cell

Q12(FA Manual): The testes perform the following function/functions:

(a) Produce testosterone
(b) Produce sperms
(c) Produce male gametes and hormone
(d) Produce sperms and urine

Q13(FA Manual): Where does fertilisation take place in human beings?

(a) Uterus
(b) Vagina
(c) Cervix
(d) Fallopian Tube

Q14 (FA Manual): Condom is a method of control that falls under the following category:

(a) Surgical Method
(b) Hormonal Method
(c) Mechanical method
(d) Chemical Method

Q15(FA Manual): The common passage for sperms and urine in the male reproductive system is:

(a) Ureter
(b) Seminal Vesicle
(c) Urethra
(d) Vas deferens

Q16(HOTS): In sperm, mitochondria occurs at

(a) In acrosome
(b) In tail
(c) In head
(d) In middle piece

Q17: Chlamydiosis is related with

(a) Syphilis
(b) Urethra
(c) Gonorrhea
(d) HIV

Q18: In general a fruit is 

(a) a thickened style.
(b) an enlarged ovule.
(c) a mature ovary.
(d) a modified root

Q19: Mature sperms ate stored in 
(a) epididymis
(b) vas deferens
(c) seminiferous
(d) seminal vesicles


Answers:
1: (b) DNA
2: (c) placenta
3: (b) yeast.
4: (c) Vas deferens
5: (c) Amoeba
6: (b) Vegetative propagation
7: (b) Anther and filament
8: (d) Both stamens and carpels
9: (d) pollen grains.

10: (a) they reproduce asexually
11: (b) Ovary
12: (c) Produce male gametes and hormone
13: (a) Uterus
14: (c) Mechanical method
15: (c) Urethra
16:(d) In middle piece
17: (b) Urethra (Chlamydiosis is a sexual transmitted disease STD occurs to both men and women. In men it is associated with urethra.).
18: (c) a mature ovary.
19: (a) epididymis



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