The number of varieties of rice plants were grown in India are
A) 20,000
B) 30,000
C) 40,000
D) 50,000
1 Answers
Peta and IR – 8 are A) Sugarcane varieties
C) Rice varieties
2 Answers 1 views
Nowadays these plants are grown as ornamental plants.
B) xerophytes
2 Answers 1 views
Thousands of plants can be grown in very short interval of time in …….. method.
(B) Tissue culture
2 Answers 1 views
Vidhya and Vijay were studying the effect of certain radiations on flower plants. Vidhya exposed her plants to UV rays and Vijay exposed his plants
Frequency of UV rays is greater than infrared rays, hence UV rays are much more energetic than infrared rays. Plants cannot tolerate the exposure of high energy rays. As a...
2 Answers 1 views
In a senior secondary school,80 students play football or hockey.The number that play football is 5 more than twice the number that play hockey.If 15 students play both games and every student in the school plays at least one game,find (i)the number of students that play football (ii)the number of students that play football but not hockey (iii)the number of students that play hockey but not football.
I thought F or H = 80 is giving by n(F u H) = n(F) + n(H) - n(F n H)
2 Answers 8 views
Kishore told “Every number is a square number”. Krishna told “Every number is a pure number”. In the above two statements who is correct ?
D) Both are false
2 Answers 1 views
The cost of 4 kg potato, 3 kg wheat and 2 kg rice is x 60. The cost of 1 kg potato, 2 kg wheat and 3 kg rice is ? 45. The cost of 6 kg potato, 2 kg Wh
Correct Answer - ₹5,₹8,₹8
2 Answers 1 views
Name any five hybrid varieties of crop plants which have been developed in India.
1. Wheat – Himgiri 2. Rice – Jaya, Ratna 3. Brassica – PusaSwarnim 4. Cow pea – Pusa Comal 5. Chilli – Pusa Sadabahar
2 Answers 1 views