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How Do Organisms Reproduce - 1 (Class - X)

How do Organisms Reproduce - 1

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following organisms reproduces asexually by the method of spore formation?

  1. Amoeba
  2. Spirogyra
  3. Rhizopus
  4. Planaria
  5. Yeast
Question 2 Multiple Choice (Single Answer)

Which of the following statements is/are false?

a. The spore formation method of asexual reproduction is used only by unicellular organisms.
b. The process of getting back a full organism from its body parts is called regeneration.
c. Tissue culture can grow plants round the year, irrespective of weather or season.

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 3 Multiple Choice (Single Answer)

The little stalk with swollen tops just inside the ring of petals in a flower is called

  1. carpel
  2. stamen
  3. receptacle
  4. sepal
  5. None of these
Question 4 Multiple Choice (Single Answer)

Which of the following is the male reproductive organ of a plant?

  1. Sepal
  2. Petal
  3. Carpel
  4. Stamen
  5. Receptacle
Question 5 Multiple Choice (Single Answer)

Which of the following statements is/are false?

a. Sexual reproduction takes place by the combination of special reproductive cells called 'sex cells'.
b. In sexual reproduction, a male gamete fuses with a female gamete to form a new 'zygote'.
c. Ova are the male sex cells of animals and sperms are the female sex cells of animals.

  1. Only a
  2. Only a and b
  3. Only b
  4. Only c
  5. Only b and c
Question 6 Multiple Choice (Single Answer)

A fertilised ovule develops into a _____ in an angiosperm plant.

  1. seed
  2. fruit
  3. flower
  4. cotyledon
Question 7 Multiple Choice (Single Answer)

In cutting method of artificial propagation, a small part of a plant is removed by making a cut with a sharp knife. Which of the following plants cannot be grown by this method?

  1. Bougainvillea
  2. Sugarcane
  3. Chrysanthemum
  4. Hibiscus
  5. Cactus
Question 8 Multiple Choice (Single Answer)

Match the following:
a. Ovulation 1. It is the release of an ovum from an ovary.
b. Menarche 2. It is the permanent stoppage of periods in women.
c. Menopause 3. It is the first occurrence of periods at puberty.
  1. a - 1, b - 2, c - 3
  2. a - 3, b - 1, c - 2
  3. a - 1, b - 3, c - 2
  4. a - 2, b - 3, c - 1
  5. a - 3, b - 2, c - 1
Question 9 Multiple Choice (Single Answer)

Pre-natal sex determination has been prohibited by law due to

  1. high cost charged by doctors
  2. possible danger to mother’s health
  3. increasing cases of female foeticide
  4. increasing cases of male foeticide
Question 10 Multiple Choice (Single Answer)

Which of the following is not a change that occurs in girls at puberty?

  1. Hair growth under armpits and pubic region
  2. Mammary glands develop and enlarge
  3. Mensuration
  4. Release of ovules by ovaries
  5. Fallopian tubes and uterus enlarge
Question 11 Multiple Choice (Single Answer)

In sperms, mitochondria occur in the

  1. acrosome
  2. tail
  3. nucleus
  4. middle piece
Question 12 Multiple Choice (Single Answer)

The sperms formed in the testes come out and go into a coiled tube called

  1. urethra
  2. seminal vesicle
  3. vas deferens
  4. epididymis
  5. scrotum
Question 13 Multiple Choice (Single Answer)

Which of the following is not a sexually transmitted disease?

  1. AIDS
  2. Syphilis
  3. Gonorrhoea
  4. Alzheimer's disease
  5. None of these
Question 14 Multiple Choice (Single Answer)

Sporangium develops on slender, erect, thread-like structures called

  1. constrictions
  2. spores
  3. buds
  4. hyphae
Question 15 Multiple Choice (Single Answer)

Which of the following diseases is/are caused by bacteria?

a. Syphilis
b. AIDS
c. Gonorrhoea

  1. Only b
  2. Both a and c
  3. Both b and c
  4. Both a and b
  5. Only c
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