Mention any three characteristics of Neanderthal man that lived in near east and central Asia.
Concept: Human Evolution
Draw a labeled diagram of a mature embryo sac.
Concept: Embryo Development Upto Blastocyst Formation
State any three goals of the human genome project.
Concept: Human Genome Project
Define Parthenocarpy
Concept: Significance of Seed Dispersal and Fruit Formation
What is spermatogenesis? Briefly describe the process of spermatogenesis.
Concept: Gametogenesis in Animal
Draw a diagram of the internal structure of the human ovary.
Concept: Microscopic Anatomy of Ovary
What is emasculation?
Concept: Plant Breeding
What is a 'biopatent'? Explain it with a suitable example.
Concept: Ethical Issues
What is Red Data Book?
Concept: Biodiversity
What is symbiosis?
Concept: Introduction of Reproduction in Organisms
Explain the term perianth.
Concept: Introduction of Reproduction in Organisms
Give the biological name of the following:
Baker’s yeast
Concept: Asexual Reproduction
The following question(s)/statement(s) has four suggested answers. Choose the correct option in the following case.
After fertilisation, the integuments of an ovule develop into : __________.
Concept: Sexual Reproduction > Pre-fertilisation Events - Gametogenesis
Differentiate between the following :
Spermatogenesis and oogenesis
Concept: Sexual Reproduction > Pre-fertilisation Events - Gametogenesis
What are seasonal breeders? Give an example.
Concept: Introduction of Sexual Reproduction
How is the chromosome number maintained in sexually reproducing organisms?
Concept: Introduction of Sexual Reproduction
State two advantages of vegetative propagation.
Concept: Asexual Reproduction
Give two differences between heartwood and sapwood.
Concept: Introduction of Reproduction in Organisms
Why is non-cyclic photo phosphorylation considered as a non-cyclic pathway?
Concept: Introduction of Sexual Reproduction in Flowering Plants
Triple Fusion involves:
(i) Fusion of one male, gamete with female gamete
(ii) Fusion of tube nucleus with generative nvcleus
(iii) Fusion of two polar nuclei.
(iv) Fusion of second male gamete with two polar nuclei
Concept: Double Fertilization in Plants
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