Chapter 18 Reproduction (Objective)
Note: Attempt all
questions.
Q .No.1: Four possible answers are given. Encircle the best option. (17)
i.
Reproduction is important for the survival of:
a) Individual b)
species c) Population d) Both b & c
ii.
Methods of asexual reproduction are:
a) Apomixis b) Artificial propagation
c) Sporulation d) All of these
iii.
Pinus sylvesteris belongs to:
a) Gymnosperms b) Angiosperms c) Both a & b d) None of these
iv.
Three Antipodal cells are fertilized with:
a) Pollen tube b) Egg nucleus c)
pollen gains d) none of these
v.
Developing seeds are rich source of:
a) Auxins b) Cytokinins c) Gibberellins d) All of these
vi.
Hyoscymus niger is one of the:
a)
long day plants b) Short day plants c)
Day neutral plants d) None
vii.
The wave length of red light is:
a) 660 ×10-9 b) 6600 × 10-10 c)66×10-8 d)All of these
viii.
P660 is converted in P730 by absorbing light of
wavelength:
a) 660 nm b) 730 nm
c) Both a & b d)
All of these
ix.
The total non-disjunction of chromosomes is a form of:
a) Mitosis b) Meiosis c) None of these d) Both a & b
x.
Parthenogenesis accelerates the:
a) Reproductive rate b) Growth rate
c) Cell growth rate d)
all of these
xi.
In tissue culturing technique, the nutrients used are:
a) Cytokinins b) Indole acetic acid c) Auxins d) All of these
xii.
Prostrate gland is found in:
a) Males
b) Females c) Both males &
females d) None
xiii.
The events of menstrual cycle involve:
a) Ovaries b) Uterus c) Ureter d) Both a & b
xiv.
Estrous cycle is the reproductive cycle found in:
a) Goats b) cats c) Human females c) Both a & b
xv.
Polar bodies are:
a) Haploid b) Diploid c) Triploid d) All of these
xvi.
Duration of gestation period in women is:
a) 40 weeks b) 41 weeks c) 42 weeks d) none of these
xvii.
Neisseria gonorrheae is a -------- bacterium.
a) Gram positive b) Gram negative c) Both a & b d) None of these
(Prepared by: Mahr Sagheer )
