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  1. Problems
  2. /Biology in Human Welfare
  3. /Improvement in Food Resources

Improvement in Food Resources

Biology
+ Upload a Problem
More in Biology in Human WelfareHuman Health and DiseaseMicrobes in Human WelfareImprovement in Food Resources
21 problems
Exam:
Type:
1.
An apiary has 24 hives. Each hive gives 18 kg of honey in a season, and the honey sells at 220… New
High School (9–10), General · Improvement in Food ResourcesStemPy LabStemPy Lab
Medium
2.
Name the four kinds of honeybee found in India… New
High School (9–10), General · Improvement in Food ResourcesStemPy LabStemPy Lab
Easy
3.
A pond is stocked with 2400 fingerlings… New
High School (9–10), General · Improvement in Food ResourcesStemPy LabStemPy Lab
Medium
4.
Raju puts only catla in his pond. His neighbour Sita stocks catla, rohu, mrigal, common carp and… New
High School (9–10), General · Improvement in Food ResourcesStemPy LabStemPy Lab
Medium
5.
A farm keeps 450 layer hens. On an ordinary day, 72 out of every 100 hens lay an egg… New
High School (9–10), General · Improvement in Food ResourcesStemPy LabStemPy Lab
Medium
6.
A farmer starts a poultry farm with two sheds… New
High School (9–10), General · Improvement in Food ResourcesStemPy LabStemPy Lab
Easy
7.
A farmer keeps 8 cows. Each cow gives 11 litres of milk a day, and the milk sells at 40 rupees a… New
High School (9–10), General · Improvement in Food ResourcesStemPy LabStemPy Lab
Medium
8.
Meena can choose between a Jersey cow and a Red Sindhi cow… New
High School (9–10), General · Improvement in Food ResourcesStemPy LabStemPy Lab
Medium
9.
A cross-bred cow gives 14 litres of milk a day for 280 days after she calves… New
High School (9–10), General · Improvement in Food ResourcesStemPy LabStemPy Lab
Medium
10.
Ganesh keeps two bullocks, which he uses to pull his plough, and three buffaloes, which he milks… New
High School (9–10), General · Improvement in Food ResourcesStemPy LabStemPy Lab
Easy
11.
Mahesh sprays a strong insecticide on his cabbage field every week and says this is the safest way… New
High School (9–10), General · Improvement in Food ResourcesStemPy LabStemPy Lab
Hard
12.
A co-operative stores 200 tonnes of rice for 2 months… New
High School (9–10), General · Improvement in Food ResourcesStemPy LabStemPy Lab
Hard
13.
Name the cropping pattern and give one advantage of each… New
High School (9–10), General · Improvement in Food ResourcesStemPy LabStemPy Lab
Medium
14.
A farmer grows wheat in the rabi season and maize in the kharif season on the same land… New
High School (9–10), General · Improvement in Food ResourcesStemPy LabStemPy Lab
Hard
15.
A village tank stores 18 000 m³ of rain run-off… New
High School (9–10), General · Improvement in Food ResourcesStemPy LabStemPy Lab
Medium
16.
Rekha's clay field becomes waterlogged after rain… New
High School (9–10), General · Improvement in Food ResourcesStemPy LabStemPy Lab
Medium
17.
A plant needs 16 nutrients. Three of them, carbon, hydrogen and oxygen, come from air and water… New
High School (9–10), General · Improvement in Food ResourcesStemPy LabStemPy Lab
Easy
18.
Name the technique in each case, and for a hybrid say which kind it is… New
High School (9–10), General · Improvement in Food ResourcesStemPy LabStemPy Lab
Medium
19.
A farmer grows millet on 6 hectares. The old variety gives 2200 kg per hectare… New
High School (9–10), General · Improvement in Food ResourcesStemPy LabStemPy Lab
Medium
20.
Name the aim of the breeder in each case… New
High School (9–10), General · Improvement in Food ResourcesStemPy LabStemPy Lab
Medium
21.
Sunita says India can feed its growing population by clearing more forest for farms… New
High School (9–10), General · Improvement in Food ResourcesStemPy LabStemPy Lab
Easy