Solapur University Question Paper,BIOTECHNOLOGY Animal Development,B.Sc. – III (Semester – VI),2014 Question Paper

Solapur University Question Paper
B.Sc. – III (Semester – VI) Examination, 2014
BIOTECHNOLOGY
Animal Development
Day and Date : Saturday, 12-4-2014 Max. Marks : 50
Time : 11.00 a.m. to 1.00 p.m.
Instructions : 1) All questions are compulsory.
2) Figures to the right indicate marks.
3) Draw neat labelled diagrams wherever necessary.
1. Rewrite the sentences using correct alternative. 10
1) _______ is the regional thickening of cells at the anterior end of primitive
streak in chick embryo.
a) Latebra b) Hensen’s node
c) Chalaza d) Kolliker’s pit
2) Egg of chick is
a) Alecithal b) Centrolecithal
c) Microlecithal d) Megalecithal
3) Cell which is able to differentiate into many other cell types is called as
a) Nerve cell b) Stem cell
c) Glial cell d) Retinal cell
4) The process of sucide by cell or group of cells in a multicellular organism is
called as
a) Mitosis b) Meiosis
c) Apoptosis d) Chemotaxis
5) A cluster of frog eggs which remain stick together is known as
a) blastula b) gastrula
c) morula d) spawn
Seat
No.
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6) ________ is a process in which rapid creation of abnormal cells which grow
beyond their usual boundaries and invade adjoining parts of the body and
spread to other organs.
a) Vitellogenesis b) Meiosis
c) Metastasis d) Cytokinesis
7) Any agent that causes a structural abnormality following fetal exposure during
pregnancy is known as
a) Enteron b) Teratogen
c) Cleavage d) Execution
8) The division of an activated egg by a series of mitotic cell division is called
a) cleavage b) apoptosis
c) fertilization d) gametogenesis
9) ________ is a syndrome of changes that are deleterious, progressive,
universal, irreversible and also include reduction in reproductive capacity.
a) Aging b) Delamination
c) Archenteron d) Cloning
10) A clone is a population of cells which is formed by
a) Asexually from single ancestor b) Sexually from two parents
c) Asexually from two parents d) Fusion of gamets
2. Answer the followings (any five) : 10
1) What is gametogenesis ?
2) Distinguish between spermatogenesis and oogenesis.
3) Give significance of fertilization.
4) Write any two characters of cancer cell.
5) Define stem cell.
6) Give significance of Apoptosis.
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3. A) Answer the following (any two) : 6
1) Describe planes of cleavage.
2) Write an account on transgenic animals.
3) Describe teratogenesis due to drugs.
B) Define cancer. Write on causes of cancer. 4
4. Answer the following (any two) : 10
1) Describe the process of spermatogenesis in frog.
2) Give an account on theories of ageing.
3) Define metastasis. Describe types of cancer and treatments used in cancer.
5. Answer the following (any two) : 10
1) Give an account on transgenic technology with suitable example.
2) Discuss in detail the process of gastrulation in chick.
3) Describe pathways of apoptosis.
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