Chapter: Reproduction in Organisms
101.

Which type of reproduction is shown in following figure ?

A. Fission
B. Binary fission
C. Multiple fission
D. Sporulation
Answer» D. Sporulation
102.

In following figure identify and give the correct names of types of reproduction and 'A' and "B'.

A. Asexual reproduction; A-bud, B-Tentacle
B. Binary fission ; A-bud, B-Tentacle
C. Multiple fission ; A-bud, B-Tentacle
D. Budding fission ; A-bud, B-Tentacle
Answer» D. Budding fission ; A-bud, B-Tentacle
103.

Identify A, B and C in the following figure.

A. A-nucleus, B-chloroplast, C-Pyrenoids
B. A-chloroplast, B-pyrenoid, C- nucleus
C. A-pyrenoid ,B-nucleus,C-chloroplast
D. A-chloroplast,B-nucleus,C-mitochondria
Answer» C. A-pyrenoid ,B-nucleus,C-chloroplast
104.

Identify A,B and C in the following figure.

A. A-node,B-bud,C-adventitious root
B. A-bud,B-node,C-adventitious root
C. A-adventitious root,B-node,C-bud
D. A-node,B-adventitious root,C-bud
Answer» A. A-node,B-bud,C-adventitious root
105.

Find out the correct sequence from the given figure.

A. Bud grafting, grafting, crown grafting, toungue grafting, side grafting
B. Bud grafting, side grafting, tongue grafting, wedge grafting, crown grafting
C. Crown grafting, wedge grafting, tongue grafting, side grafting, bud grafting
D. Bud grafting, side grafting, scion grafting, stock grafting
Answer» B. Bud grafting, side grafting, tongue grafting, wedge grafting, crown grafting
106.

The production of new plant from the maternal plant is called. (CPMT=2003)

A. Vegetative reproduction
B. Cutting
C. Grafting
D. Layering
Answer» A. Vegetative reproduction
107.

Which of the following plant reproduces by leaf ? (DPMT-2003)

A. Agave
B. Bryophyllum
C. Gladiolus
D. Potato
Answer» B. Bryophyllum
108.

Pollen tube enters the embryo sac through (AIIMS-2004)

A. Any one synergid cell
B. Directly penetrating the egg cell
C. In between one synergid cell and secondary nucleus.
D. The help of antipodal cells.
Answer» A. Any one synergid cell
109.

Grafting is impossible in monocot-because (UTTRANCHAL PMT-2004)

A. Vascular bundles are scattered.
B. Meristem is absent
C. Collateral open vascular bundle
D. Radial vascular bundle.
Answer» B. Meristem is absent
110.

If vegetative growth of the plant takes place but flower production does not occur-then what could be the reason for this?

A. Imbalance of hormone
B. Photoperiod
C. Imbalance of sugar in water
D. Irregular transport of solute.
Answer» B. Photoperiod
111.

What is the name of the technique for the production of large number of top?

A. Top production
B. Organo genesis
C. Micro culture
D. Embryo culture
Answer» B. Organo genesis
112.

Where does the culture of haploid pollen grain is useful in plant breeding?

A. For production of better hybrid
B. For production of homogametic organisms.
C. For production of disease causing organisms
D. None of this
Answer» C. For production of disease causing organisms
113.

Haploid plants are obtained by culture of-

A. Young leave
B. Endosperm
C. Pollen grain
D. Root apex
Answer» B. Endosperm
114.

Which of the following is associated with vegetative reproduction?

A. Combination of pre existing cytoplasm.
B. Tissue culture
C. Endo static fertilization
D. (a) and (b) Both.
Answer» C. Endo static fertilization
115.

With the help of which quick cell division could be induced?

A. By T1 plasmid
B. PBR-32
C. F-speed
D. By sexual plasmid
Answer» B. PBR-32
116.

Which auxin is used in callus and suspension culture technique in general?

A. Napthelene acetic acid
B. 2-4 Dichloro acetic acid
C. 2,4,5, Tri phenoxy acetic acid
D. 2,4 dichloro phenoxy acetic acid.
Answer» A. Napthelene acetic acid
117.

Which of the following animal shows longitudinal binary fission?

A. Englena
B. Plasmodium
C. Planaria
D. Paramoecium
Answer» D. Paramoecium
118.

Identify the mis-match statement regarding post fertilization events from the following statements.

A. Wall of ovary is converted in to pericarp.
B. Outer integument is converted in inner integument
C. Triploid nucleus develops as endosperm
D. Ovary is developed as fruit.
Answer» A. Wall of ovary is converted in to pericarp.
119.

What type of fruit will be produced by fixing the stock of sour juice producing branch on scion of plant having sweet branch?

A. Sweet and fibrou
B. Sweet and juicy
C. Sour and juicy
D. Sour and fibrous
Answer» C. Sour and juicy
120.

How man eggs will be formed from an ovary of a woman,in absence implantation of an embryo?

A. 12
B. 06
C. 24
D. 48
Answer» B. 06
121.

Which tissue is required to be present in between stock and scion during grafting?

A. Xylem
B. Phloem
C. Meristem
D. Parenchyma.
Answer» B. Phloem
122.

Where does maturity is observed in the sporophytic stage of the plants?

A. In gemina
B. In primay structures
C. In sporophylls
D. In eggs.
Answer» B. In primay structures
123.

If primary spermetocyte have 2n=16 chromosomes during first meiotic division,in such case how many chromatids could be present in each secondary spermatocyte?

A. 32
B. 8
C. 16
D. 24
Answer» B. 8

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