MCQ Class 9 Science Chapter 15 Improvement in Food Resources

Please refer to the MCQ Questions for Class 9 Science Chapter 15 Improvement in Food Resources. The following Improvement in Food Resources Class 9 Science MCQ Questions have been designed based on the latest syllabus and examination pattern for Class 9. Our experts have designed MCQ Questions for Class 9 Science with Answers for all chapters in your NCERT Class 9 Science book.

Improvement in Food Resources Class 9 MCQ Questions with Answers

See below Improvement in Food Resources Class 9 Science MCQ Questions, solve the questions and compare your answers with the solutions provided below.

Question. Which high-yielding varieties of wheat were initially developed by an Indian scientist by cross-breeding the traditional varieties?
(a) Mexican varieties
(b) American varieties
(c) European varieties
(d) African varieties

Question. Why is a pulse crop grown in an time interval between two cereal crops?
(a) To compensate for the loss of phosphate
(b) To compensate for the loss of water
(c) To compensate for the loss of sulphur
(d) To compensate for the loss of nitrogen

Question. Identify the process of preparing manure with the help of earthworms and kitchen wastes.
(a) Green manuring
(b) Manuring
(c) Vermicomposting
(d) Farming

Question. Which type of crops are tea, coffee, rubber and coconut?
(a) Sugar crops
(b) Root crops
(c) Oil seed crops
(d) Plantation crops

Question. Observe the given figure below and identify the cropping pattern.

(a) Mixed
(b) Inter cropping
(c) Crop rotation
(d) Intra cropping

Question. Which of the following measures is/are necessary for proper storage of grains?
1. The godowns should be clean and free from garbage.
2. The gunny bags used for storing grains should be clean, dry and fumigated.
3. The grains should be semi-dry before storage.
4. The grains should only be dried under a air dryer and not under the sun.
(a) Only 1
(b) 1 and 2
(c) 3 and 4
(d) Only 4 B

Question. Identify the factor which led to the Green Revolution in India.
(a) Judicious use of pesticides
(b) Proper use of water
(c) Increase in land area under cultivation
(d) Introduction of high-yielding varieties of crops

Question. Which of the following correctly defines mariculture?
(a) Capturing fish from natural resources like river, sea etc.
(b) Culturing of fish and aquatic food in reservoirs, estuaries, etc.
(c) Culturing of finned fishes (mullet), shellfish (prawn), mussels, oysters etc. as well as seaweed in marine water.
(d) Culturing of fishes in marine water.

Question. What are the undesirable plants that grow among cultivated crops called as?
(a) Grasses
(b) Weeds
(c) Crops
(d) None of the above

Question. The practice of growing two or more crops simultaneously in definite rows in the same field is called as ……….
(a) mixed cropping
(b) mixed farming
(c) inter cropping
(d) crop rotation

Question. Macrobrachium rosenbergii is a
(a) fresh water prawn
(b) marine water prawn
(c) fresh water fish
(d) marine water fish

Question. The minerals required by a plant in very small quantities are called
(a) macronutrients
(b) micronutrients
(c) manures
(d) fertilizers

Question. Which of the following organs of cattle is affected by worms?
1. Intestine
2. Stomach
3. Liver
4. Skin
(a) 1 and 2
(b) Only 2
(c) 2 and 3
(d) Only 4

Question. The increase in food grain production after the introduction of improved varieties of crops is often referred as ……….
(a) White Revolution
(b) Green Revolution
(c) Yellow Revolution
(d) Blue Revolution

Question. The technique of growing two or more different crops together in the same field is known as
(a) mixed cropping
(b) mixed farming
(c) inter cropping
(d) crop rotation

FILL IN THE BLANK:

Question. Manure and fertilizers are the main sources of ………. supplied to crops. 

Question. The practice of ploughing green legume-bearing plants into the soil for improving its fertility is called ……….

Question. ………. is an organic matter obtained from decomposition of animal and plant waste. 

Question. A legume crop does not require ………. fertilizer. 

Question. Iron, Manganese, boron, zinc, copper etc. are ………. nutrients. 

Question. Growing two or more crops in definite row patterns is known as ………. 

Question. ………. is growing of two or more crops simultaneously on the same piece of land.

Question. The growing of different crops on a piece of land in preplanned succession is called ………. 

TRUE/FALSE:

Question. Chana, urad, moong and matar are cereal crops.

Question. 2, 4D is one of the most common weedicides used in India.

Question. Hybrid is an individual or a variety obtained by crossbreeding two genetically dissimilar plants or animals.

Question. Micronutrients are needed by plants in large quantities.

Question. The cross between genetically dissimilar plants is called hybridization.

Question. Rabi crops are grown in rainy season.

Question. The yield of crop is greater in organic farming.

Question. Weeds increase the yield of the crop.

Question. Manures are commercially produced plant nutrients.

Question. Chemicals which can exist in a gaseous state in sufficient concentration to be lethal against pests are called fumigants.

MATCHING QUESTIONS :

Question.

Question.

ASSERTION AND REASON:

DIRECTION : In each of the following questions, a statement of Assertion is given and a corresponding statement of Reason is given just below it. Of the statements, given below, mark the correct answer as:
(a) Both assertion and reason are true and reason is the correct explanation of assertion.
(b) Both assertion and reason are true but reason is not the correct explanation of assertion.
(c) Assertion is true but reason is false.
(d) Both Assertion and Reason are false.

Question. Assertion : To replenish the lost nutrients in the soil, quick acting, handy nutrients are applied in the form of fertilizers.
Reason : Chemical fertilizer contains the necessary plant nutrients.

Question. Assertion : Fish and few other varieties of aquatic animals are used as food.
Reason : Fish and other varieties of sea food constitute good source of protein.

Question. Assertion : Vaccinations are given to farm animals.
Reason : Vaccinations protect the farm animals from a number of diseases caused due to virus and bacteria.

Question. Assertion : Inter cropping prevents pests.
Reason : Plant pests can be controlled biologically by their natural parasites and pathogens.

Question. Assertion : Honey bees are nuisance to farmers.
Reason : Bees destroy the crops to fulfil their nutritional requirements.