CLASS 12 BIOLOGY ZOOLOGY
MCQs TYPED
UNIT: REPRODUCTION IN ORGANIZMS
TOPICS :
Types of reproduction
Asexual reproduction
sexual reproduction
prefertilization events
sexuality in organism
fertilization
post fertilization events
embryogenesis
1. Thelytoky s exhibited by all except 6. Number of chromosonmes il meiocyla and game
of houselly will respeclively be
(1) Typhira (2) Whiotail
(1) 8,4 (2) 12,6
(3) Rotifers 14) Aphis
(3) 4,8 (4) 6. 12
2. Type of binary tissior n which plane of division is
al an angle to the transverse axis is seen in 7 Which of the following organisms has the shorles
ife span?
(1) Giardia 2) Vorticella
(1) Elephant (2) Giarnt tortoise
(3) Cerativm (4) Both (1) and (3) (3) Swan (4) Parrol
3. Which of tne followirg cannot be considered as Which of lhe following organisms do(as) not exhib
function of sexual reproduction? tnternal budding?
(1) Introduces varialion (a) Saccharomyces (b) Sycon
(2) Avoids ageing (c) Spongila (d) Hyora
(3) Replaces organisns lost due to predation (1) b &d
4)Helps in continuation of species (2) a&d
(3) b & c
Which of the following statements is incorrect?
(4) Only d
(1) Gemmulalion is asexual modo of reproduction
in soma lower organisms Which ol the tollowing is a incorrect matc
between organism and its mode of reprocluction.
(2) Amoeba exhibils encyslation in unfavourablo
conditios Organisrn Mode of Roproduction
(1) Taeia solium Fragmentation
3) Salmon is an iteroparous organism
(2) Monocystis Mulliple fission
(4) Exogenous budding is saen in yeast
(3) Paroneciurn Transverse binary fissio
5. Maximum 1ife span is a characteristic ofA
and life expectancy is (4) Syllis Buddug
characteristic ofB
A B 10. Fusion ol gameles is also know as
(1) Individua Population (1) Syngamy
(2) Population (2) Fertiizalion
Species
(3) Species Population (3) Both (1) & (2)
4) Species ind vikua (4) Apomixis
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