Questions
The cells involved in sexual reproduction are called
- mucous cells
- gametes
- gonadotropes
- epidermal cells
- neurons
Copper T and loops are
- contraceptive devices
- conventional devices
- conducive devices
- contaminating devices
Which of the following organisms reproduces asexually by the method of spore formation?
- Amoeba
- Spirogyra
- Rhizopus
- Planaria
- Yeast
The little stalk with swollen tops just inside the ring of petals in a flower is called
- carpel
- stamen
- receptacle
- sepal
- None of these
A fertilised ovule develops into a _____ in an angiosperm plant.
- seed
- fruit
- flower
- cotyledon
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?
- Bougainvillea
- Sugarcane
- Chrysanthemum
- Hibiscus
- Cactus
In sperms, mitochondria occur in the
- acrosome
- tail
- nucleus
- middle piece
New plants sprout from the ‘eye’ of which of the following plants?
- Sweet potato, spinach
- Ginger, potato
- Rose, mint
- Sugarcane, tomato
Which of the following statements is incorrect?
- In amoeba, splitting of two cells takes place in any plane.
- In Leishmania, division of cell takes place in definite orientation.
- Spirogyra simply breaks into small pieces on maturation.
- Hydra can reproduce by simple fission.
Which of the following statements is true for fertilisation in humans?
- It involves two different gametes from different species.
- It can take place between the same gametes.
- It is an external fertilisation.
- It occurs in the oviduct of the female.
The uterus opens into the vagina through
- urethra
- ureter
- cervix
- placenta
The surgical method of preventing fertilisation in females involves tying up of the
- ovary
- seminal vesicle
- uterus
- fallopian tube
Which of the following are reproductive parts of a flower?
- Calyx and corolla
- Sepals and petals
- Stamens and carpels
- Stamens and petals
Which of the following is not a contraceptive method?
- Using copper T
- Blocking the fallopian tube
- Blocking the vas deferens
- Removal of uterus
Which of the following is a sexually transmitted disease?
- Tuberculosis
- Syphilis
- Anthrax
- Typhoid