ROUTERA

How do Organisms Reproduce

Class 10th Science Chapter HOTs

HOTS Questions for Class 10 Science Chapter 8 How do Organisms Reproduce?

Question 1.
What does the diagram depict
HOTS Questions for Class 10 Science Chapter 8 How do Organisms Reproduce image - 4
Answer:
Tubectomy or cutting and ligating the oviducts of a women.

Question 2.
Identify the material shown in the diagram.
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Answer:
Yeast showing budding.
A – Parent
B – bud

Question 3.
How does Bryophyllum multiply vegetatively ?
Answer:
By leaves which bear adventitious buds in their marginal notches.

Question 4.
When is menstruation absent in a lady ?
Answer:
Before menarche, after menopause and during pregnancy.

Question 5.
What is normal fertility period ?
Answer:
14th to 16th day of menstrual cycle.

Question 6.
(a) Name the parts labelled A, B, C, D and E.
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(b) Where do the following functions occur l

  1. Production of an egg
  2. Fertilization
  3. Implantation of zygote.

(c) What happens to the lining of uterus ?

  1. Before release of a fertilized egg
  2. If no fertilization occurs.

Answer:
(a)

  1. A-Fallopian tube
  2. B-Ovary
  3. C-Uterus
  4. D-Cervix
  5. E-Vagina

(b)

  1. Ovary
  2. Fallopian tube
  3. Uterus

(c)

  1. Repair and growth of endometrium followed by its thickening and development of glands.
  2. Breakdown of endometerial lining and rupturing of its blood vessels producing menstural flow.