BIOLOGY REVISION TEST I (TERM I)
Unit - I Reproduction (Chapter 1, 2, 3)
1. Bryophyllum propagates vegetatively by
- a) Stem
- b) Leaf
- c) Root
- d) Ovule
2. Parthenogenesis means development of
- a) cell
- b) Fruit without fertilization
- c) Cell-culture
- d) Fruit with fertilization
3. Entomophilous flowers are pollinated by
- a) Insects
- b) Water
- c) Wind
- d) Bat
4. In human male, secretion of accessory glands is called
- a) Semen
- b) Testosterone
- c) Seminal plasma
- d) Seminal fluid
5. Corpus luteum secrets
- a) progesterone and estrogen
- b) LH
- c ) only progesterone
- d) FHS
6. Gamete formation in diploid plant takes place by
- a) Mitosis
- b) Amitosis
- c) Meiosis
- d) Spore formation
7. Name of constituents of egg apparatus in an embryo sac.
- a) Egg cell
- b) One synergid & one egg
- c) Two synergids & one eggl
- d) None of above
8. Entry of pollen tube through micropyle is called
- (a) porogamy
- (b) Mesogamy
- (c ) palynology
- (d) chalazogamy
9. Menstrual cycle is completed in
- a) 30 days
- b) 28 days
- c) 31 days
- d) 27 days
10. First polar body in human oogenesis is formed at which stage ?
- a) 1st meiosis
- b) 2nd meiosis
- c) 1st mitosis
- d) differentiation
11. Pollen grain divides to form vegetative cell and ……………..
- a) Mother cell
- b) Tetrad cell
- c) Generative cell
- d) None of these
12. Genetically similar cells or organisms produced by asexual means are called
- a) Spores
- b) Conidia
- c) Fragments
- d) Clone
13. A typical mature angiosperm embryo sac is
- a) 7 celled 8 nucleate
- b) 4 celled 2 nucleate
- c) 8 celled 7 nucleate
- d) 4 celled 4 nucleate
14. What is the chemical nature of exine ?
- a) Cellulose
- b) Pectin
- c) Sporopollenin
- d) All of these
15. In most mammals, testes are located in scrotal sacs for
- a) sex differentiation
- b) sperm development in cooler condition
- c)more space to visceral organs
- d) none of these
16. In double fertilization,
- a) Two male gametes fuses with two eggs b) one male gamete fuses with egg and other with secondary nucleus
- c) one male gamete fuses with egg and other with antipodal cell
- d) one male gamete fuses with egg and other with synergid cell
17. Sperm produce an enzymatic chemical for dissolving the egg coverings is called
- a) hyaluronic acid
- b) hyaluronidase
- c) acrosome
- d) ligase ,
18. Through what, human placenta is connected to the embryo ?
- a) umbilical cord
- b) crypis
- c) chorionic villi
- d) placenta vera
19. In the T.S. of a mature anther given below identify A and B
- a) A = sporogenous tissue , B= tapetum
- b) A= stomium , B = endothecium
- c) A= tapetum , B= sporogenous tissue
- d) A = sporogenous tissue , B = endothecium
20 . Choose the correct option with right labellings of following figure :
- a) A = oviduct , B = uterus , C = cervix , D = ovary
- b) A = cervix , B = uterus , C = ovary , D = oviduct
- c) A = uterus , B = cervix , C = oviduct , D = ovary
- d) A = cervix , B = uterus , C = oviduct , D = ovary
