List of top Water Science and Technology Questions

Among the different phases of meosis cell division, chromosomes pairing occurs in _________.

Given below are two statements about the nucleus of cell :
Statement (I) : Chromatin netwok mainly consists of ribose nucleic acid.
Statement (II) : Nucleoli in nucleus are rich in RNA.
In light of the above statements, choose the most appropriate answer from the options given below. :

Which of the following is not true about potassium nutrition in plants ?

Which of the following statements are true about nitrogen nutrition in plant ?
(A) Nitrogen deficiency symptoms first appears on old leaf.
(B) Excess nitrogen causes early maturity of crop.
(C) Nitrogen translocated from old leaves to new leaves in response to demand.
(D) Nearly 10% of Indian soils are deficient in nitrogen.
(E) Nitrogen is constituent of chlorophyll, amino acids and nucleic acids.
Choose the correct answer from the options given below :

Which of the following is a dominant soil group in India ?

Arrange these growth stages of rice in sequence from sowing to harvesting : -
(A) Dough stage
(B) Flowering stage
(C) Tillering stage
(D) Booting stage
Choose the correct answer from the options given below :

Given below are two statements about groundnut :
Statement (I) : Groundnut cultivation is done during kharif, winter, spring and summer seasons in different parts of India.
Statement (II) : Groundnut is a non-legume crop and belongs to family compositae.
In light of the above statements, choose the most appropriate answer from the options given below. :

Which of the following statements are true about mango ?
(A) Mango belongs to family Anacardiaceae and have 2N=40.
(B) Mango is a self-pollinated fruit.
(C) Mango is rich source of Vitamin A.
(D) In monoembryonic mango propagation is done through seed.
(E) Alphonso is a cultivar of mango.
Choose the correct answer from the options given below :

Which of the following agricultural commodity earn the highest foreign exchange through export during 2020-21 ?

Which of the following statements are true about the Indian Agriculture ?
(A) India is not sufficient in edible vegetable oil production.
(B) Horticulture production was about 331 million tonnes during 2020-21.
(C) PM-KISAN scheme provide Rs. 2,000 year farmer
(D) Per drop more crop scheme was launched in 2019-20
(E) Soil Health Card Scheme was launched in 2014-15
Choose the correct answer from the options given below :

The percentage share of agriculture to total national export during 2020-21 was about :