In which of the following mammal Oestrus cycle is absent:
A.Cow
B.Horse
C.Monkey
D.Rabbit
__________ is formed just after fertilization.
A.Morula
B.Blastula
C.Zygote
D.Foetus
Which type of spores are produce by pteridophytes and gymnosperms?
A.Spore myoblast
B.Somatic spores
C.Heterospores
D.Homospores
What is common between vegetative reproduction and apomixis?
A.Both are applicable to only dicot plants
B.Both bypass flowering phase
C. Both occur round the year
D.Both produces progeny identical to parent
Which structure provides surface for the settlement of pollen grains in angiosperm plants?
A.Anther
B.Style
C.Stigma
D.Pollen tube
Which are the various stages of sexual reproduction?
A.Growth, Development, Differentiation
B.Pre fertilization, Fertilization, Post fertilization
C.Fertilization, Post Fertilization, Pre Fertilization
D.Gametogenesis, Gamete transfer, Gamete Fertilization
Grafting is impossible in monocot-because
A. vascular cambium is absent
B. Meristematic tissue is absent
C. Collateralopen vascular bundle
D. Radial vascular bundle
Match the following
(P) Fission (i) Ulothrix, Saprolegnia
(Q) Budding (ii) Oedogonium, Chlamydomonas
(R) Fragmentation (iii) Algal, Fungi, Monera
(S) Sporulation (iv) Dictyota, Fucus, Protosiphon
(1) P-i, Q-ii,R-iii, S-iv
(2) P-ii, Q-iii, R-iv, S-i
(3) P-iii, Q-iv, R-i, S-ii
(4) P-iii, Q-iR-ii, S-iv
Identify the structure
A.Conidia
B.Penicillium
C.Algae
D.Zoospore
Identify X
(1) Stem
(2) Runner
(3) Offset
(4) Bud