REPRODUCTION: Chapter#13

  1. The optimum temperature for the germination of seeds of most ranges from – to

(a) 15°-20°     (b)       20-25°            (c) 25-30°       .           (d)       30-35°

  • What is the future of ovary after fertilization in flower?

(a) seed         (b)       seed coat       (c) fruit            (d)       all these

  1. Embryo in flowering plants consists of

(a)       radicle (b)       plumule                      (c)        cotyledons     (d)       all these

  1. Double fertilization is characteristics of

(a)       liverworts       (b)       ferns   (c)        conifers          (d)       flowering plants

  1. Which structure emerges first during germination of a seed?

(a) stem    (b)       shoot              (c)        leaves (d)       root

  1. The female gametes are formed in

(a)       testis   (b)       ovaries                       (c)        oviducts         (d)       interstitial cells

  1. Spermatogenesis refers to
  2. male gamete formation                         b.female gamete formation
  3. egg formation     d.both a and b
  4. The male and female gamete producing structures in sexually reproducing organisms are
  5. testis   (b)       ovaries
  6. gonads    d. sperm ducts and oviducts
  7. There are no variations and the offspring is identical to their parents in case of
  8. asexual reproduction           b.         sexual reproduction

c. external fertilization                     d. internal fertilization

  1. In sexually reproducing generation the first diploid        cell is

(a) egg cell    (b)       sperm cell

(c) zygote       (d)       embryo          

11. The seed plants include

  1. Gymnosperms    b.angiosperms    {c) mosses and fems (d) both a and b
  2. In which of the following plants sperms are motile and need water to swim to the egg

(a)      coconut          (b)       ferns

  • water lily        (d)       gymnosperms
  • Mint (Podina) plant reproduces vegetatively by the formation of

(a)       runners           (b)       suckers

(c)        bulbs  (d)       corms

  1. in following plants, a tiny haploid generation formed from spore is called

(a) Gametophyte(b) Sporophyte (c) Thallophyte (d) Bryophyte

  1. In most flowering plants which one of the following generation is dominant?

 (a) gametophyte      . (b) sporophyte                    c.thallophyte             d.both a and b

  1. In sexual reproduction of plants, spores develop into the
  2. gametophyte generation           b. sporophyte generation    c. fertilization 

d. thallophyte generation

  1. The flower is actually condensed

(a) shoot (b) root                   (c) leaves (d) fruit

  1. In angiosperms, which of the following has diploid generation?
  2. Thallophyte                     b.Sporophyte c. Gametophyte                    d. Bryophyte
  3. The outermost whorl of the flower is known as

(a) calyx         (b)       corolla

(c) ampulla    (d)       androecium

  1. It protects the inner whorls at bud stage

(a) androecium (b)   gynoecium

(c) calyx         (d)       corolla

  1. The individual units of calyx are called

(a) sepals     (b)       petals

(c) stamen    (d)       filament

  1. The individual units of corolla are called

(a) sepals      (b)       petals

(c) stamens   (d)       filaments

  1. The units of androecium are called

(a) sepals      (b)       carpels

(c) stamens   (d)       stigma

  1. Which of the following is the male reproductive part of flower?

(a) calyx       (b)       corolla

(c) androecium (d)  gynoecium

  1. The female reproductive part of the flower is

(a) calyx                    (b)       androecium   c. anther         (d)       gynoecium