Q 1 – Vegetative propagation in potato takes place by
(a) leaves
(b) stem
(c) root
(d) seed
Ans. (b) stem
Q 2 – In which of the following plants buds are present on the margins of leaves?
(a) Bryophyllum
(b) Touch me not
(c) Chandan
(d) Coriander
Ans. (a) Bryophyllum
Q 3 – In yeasts reproduction occurs by
(a) fragmentation
(b) binary fission
(c) budding
(d) spore formation
Ans. (c) budding
Q 4 – Which of the following parts of a plant take part in sexual reproduction?
(i) Flower
(ii) Seed
(iii) Fruit
(iv) Branch
Choose the correct answer from below:
(a) (i) and (ii)
(b) (i), (ii) and (iii)
(c) (iii) and (iv)
(d) (ii), (iii) and (iv)
Ans. (b) (i), (ii) and (iii)
Q 5 – Lila observed that a pond with clear water was covered up with a green algae within a week. By which method of reproduction did the algae spread so rapidly ?
(a) Budding
(b) Sexual reproduction
(c) Fragmentation
(d) Pollination
Ans. (c) Fragmentation
Q 6 – Seeds of drumstick and maple are carried to long distances by wind because they possess
(a) winged seeds
(b) large and hairy seeds
(c) long and ridged fruits
(d) spiny seeds
Ans. (a) winged seeds
Q 7 – The ‘eye of the potato plant is what
(a) the root is to any plant
(b) the bud is to a flower
(c) the bud is to Bryophyllum leaf
(d) the anther is to stamen
Ans. (c) the bud is to Bryophyllum leaf
Q 8 – The ovaries of different flowers may contain
(a) only one ovule
(b) many ovules
(c) one to many ovules
(d) only two ovules
Ans. (c) one to many ovules
Q 9 – Which of the following statements is/are true for sexual reproduction in plants?
(i) Plants are obtained from seeds
(ii) Two plants are always essential
(iii) Fertilisation can occur only after pollination
(iv) Only insects are agents of pollination
Choose from the options given below:
(a) (i) and (ii)
(b) (i) only
(c) (i) and (ii)
(d) (i) and (iv)
Ans. (a) (i) and (ii)
Q 10 – Pollination refers to the:
(a) transfer of pollen from anther to ovary
(b) transfer of male gametes from anther to stigma
(c) transfer of pollen from anther to stigma
(d) transfer of pollen from anther to ovule
Ans. (c) transfer of pollen from anther to stigma
Q 11 – In f lowering plants, male gamete is formed inside
(a) Ovary
(b) Anther
(c) Pistil
(d) Ovule
Ans. (b) Anther
Q 12 – Fertilization is
(a) Fusion of female gametes
(b) Fusion of male gametes
(c) Fusion of male and female gametes
(d) All of above
Ans. (c) Fusion of male and female gametes
Q 13 – Mature ovule forms
(a) Buds
(b) Endosperm
(c) Fruit
(d) Seed
Ans. (d) Seed
Q 14 – Most common means of pollination is
(a) Honey bee
(b) Air
(c) Human
(d) Water
Ans. (b) Air
Q 14 – Germination occurs when
(a) an already dormant embryo is activated
(b) the cotyledons emerge above ground
(c) either hypocotyls or epicotyls emerges above ground
(d) Vascular tissue begins the transport of water and minerals
Ans. (a) an already dormant embryo is activated
Q 16 – It is more economical to propagate potato through
(a) Whole tuber
(b) Seeds
(c) Tissue culture
(d) Piece of tubers
Ans. (d) Piece of tubers
Q 17 – Bread mold reproduce by
(a) Budding
(b) Fragmentation
(c) Regeneration
(d) Spore formation
Ans. (d) Spore formation
Q 18 – Light pollen grain is carried by
(a) Water
(b) Bats
(c) Insects
(d) Wind
Ans. (d) Wind
Q 19 – The mode of reproduction in which plants parts are used to develop new plant is called
(a) Spore formation
(b) Vegetative propagation
(c) Gametogenesis
(d) Sexual reproduction
Ans. (b) Vegetative propagation
Q 20 – Rose plant is grown by
(a) Leaf cutting
(b) Stem cutting
(c) Seed
(d) Root cutting
Ans. (b) Stem cutting
Q 21 – Reproduction is described as a phenomenon by which of these options?
(a) increase in size
(b) increase in number
(c) form new tissues and organs
(d) develop from zygotes
Ans. (b) increase in number
Q 22 – The cell which is formed after fusion of gametes is called _________.
(a) spore
(b) embryo
(c) pistil
(d) zygote
Ans. (d) zygote
Q 23 – Banana is a _______________ plant.
(a) Endospermic
(b) Dicots
(c) Hybrid
(d) Monocots
Ans. (d) Monocots
Q 24 – Small bulb like projection coming out of the yeast cell is called
(a) Bud
(b) Spore
(c) Node
(d) Bulb
Ans. (a) Bud
Q 25 – Which of the f ollowing constitute a pistil?
(a) Stigma, style and anther
(b) Stigma, style and ovary
(c) Stigma, stamen and ovary
(d) Pollen sac, style and ovule
Ans. (b) Stigma, style and ovary
Q 26 – Reproduction is essential f or living organism in order to
(a) Keep individual organ alive
(b) Maintain growth
(c) Fulfill their energy requirement
(d) continue the species forever
Ans. (d) continue the species forever
Q 27 – Reproduction in yeast takes place by
(a) zygote
(b) fragmentation
(c) budding
(d) spore formation
Ans. (c) budding
Q 28 – The process by which plants give rise to new plants without seeds is called
(a) Sexual reproduction
(b) Asexual reproduction
(c) Vegetative propagation
(d) Budding
Ans. (b) Asexual reproduction
Q 29 – In lower organisms reproduction takes place by
(a) Fission and budding
(b) Pollination
(c) Fertilization
(d) Gametes formation
Ans. (a) Fission and budding
Q 30 – A spore producing plant is
(a) rose
(b) potato
(c) bread mould
(d) ginger
Ans. (c) bread mould
Q 31 – Male gametes are present in
(a) anther
(b) ovary
(c) filament
(d) style
Ans. (a) anther
Q 32 – The f lower which contain either pistil or stamen is called
(a) Unisexual f lowers
(b) Asexual f lowers
(c) Bisexual f lowers
(d) None of these
Ans. (a) Unisexual flowers