1. The plumule of embryo give rise to the:
(a) Primary stem✅
(b) Secondary root
(c) Roots
(d) All of these
2. The embryos usually consists of:
(a) Seeds leaves
(b) Epicotyle
(c) Cotyledons and hypocotyle
(d) All of them✅
3. When the cotyledons appear above the ground by elongation of hypocotyls, this germination is:
(a) Hypogee
(b) Epigeal✅
(c) Intergeal
None of them
4. Germination of seeds occur over a wide range of temperature between:
(a) 5C-15C
(b) 5C-35C✅
(c) 10C-20C
(d) 5C-35C
5. The events which are involved in the germination of an adult from a fertilized egg are called:
(a) Reproduction
(b) Growth
(c) Development✅
(d) None of them
6. The embryo develops into a new individual through:
(a) Growth
(b) Cell division
(c) Differentiation
(d) All of the above✅
7. When fusion of male and female gametes takes place inside the body of female is called:
(a) Fertilization
(b) Internal fertilization✅
(c) Inward fertilization
(d) Safe fertilization
8. The mesoderm from behind the dorsal lip give rise to the:
(a) Somites
(b) Nephrostome
(c) Notochord✅
(d) Gut
9. The gametophyte generation produces gametes by the process of:
(a) Meiosis✅
(b) Binary fission
(c) Vegetative propagation
(d) Mitosis
10. Gastrula is characterized by the formation of:
(a) Three germinal layers✅
(b) Gut
(c) Nervous system
(d) All of them
11. The portion of the embryo below the point of attachment of cotyledons to the embryo axis is called:
(a) Radical
(b) Epicotyl
(c) Hypocotyl✅
(d) Plumule
12. The first structure emerging from germination of seed and growing rapidly is:
(a) Root
(b) Leaves
(c) Stem✅
(d) All of them
13. When the cotyledons remains below the soil and epicotyl elongates, this type of germination is called:
(a) Supergeal
(b) Hypogeal✅
(c) Intergeal
(d) Digeal
14. Type of reproduction which does not involve fusion of gametes is called:
(a) Asexual✅
(b) Sexual
(c) Parthenogenesis
(d) None of them
15. The eggs are produced in thin walled sacs called:
(a) Ovaries✅
(b) Testes
(c) Hemispheres
(d) None of them
16. If the fusion of male and female gametes takes place outside the body it is called:
(a) Pollination
(b) External fertilization✅
(c) Internal fertilization
(d) Fertilization
17. The cells along the margins of the blastopore move inward to form the:
(a) Ectoderm
(b) Endoderm
(c) Mesoderm
(d) Both (a) and (b)✅
18. Neural with the formation of gills and tails develops into:
(a) Neurula
(b) Tadpole
(c) Morula ✅
(d) None of them
19. In the life history of flowering plant the generations are:
(a) Gametophyte ✅
(b) Sporophyte
(c) Tracheophyte
(d) Both b and c
20. The bee picks up pollen from the --- of flower and carries it to another flower:
(a) Ovary
(b) Stigma
(c) Anther ✅
(d) Sepals
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