In crop improvement programme, haploids are important because they
[1989]
Haploid plants are preferred over diploids for mutation study because in haploids
[1993]
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Most of our crop plants are
[1994]
Haploid plant cultures are obtained from
[1994]
The rotenone is
[1995]
One of the major difficulties in the biological control of insect pests is the
[1995]
The silkworm silk is the product of
[1995]
The long-term prospects for a truly human civilization depend in a large measure on
[1996]
Pasteurization of milk involve heating for
[1996]
The earliest animal to have been domesticated by man was most likely the
[1996]
Which one of the following is an exotic Indian fish ?
[1996]
Suppression of reproduction of one type of organism by utilizing some features of its biology or physiology to destroy it or by use of another organism is known as
[1996]
Of the world’s top five crops in terms of annual production
[1997]
Which of the following has been recently used for increasing productivity of super milk cows?
[1997]
In the silk worm, if no juvenile hormone (JH) is present when it moults, it will
[1997]
Honey is
[1997]
The reason why vegetatively reproducing crop plants are best suited for maintaining hybrid vigour is that
[1998]
Lathyrism which is caused by consumption of Khesari dal is a disease characterised by
[1998]
Biological control component is central to advanced agricultural production. Which of the following is used as a third generation pesticide?
[1998]
Which of the following pesticides is an acetylcholinesterase inhibitor?
[1998]
Which one among the following chemicals is used for causing defoliation of forest trees?
[1998]
What is Agent Orange?
[1998]
Which one of the following insecticides is more stable in the environment?
[1999]
The first transgenic crop was
[1999]
The new varieties of plants are produced by
[1999]