Download App

Improvement in Food Resources — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceImprovement in Food Resources1 Mark
MCQ
In the following Questions, the Assertion and Reason have been put forward. Read the statements carefully and choose the correct alternative from the following:
Assertion: Manure contains large quantity of organic matter and also supplies small quantities of nutrients to the soil.
Reason: Manure can be classified as compost, vermicompost or green manure.
  • ✓
    Both the Assertion and the Reason are correct and the Reason is the correct explanation of the Assertion.
  • B
    The Assertion and the Reason are correct but the Reason is not the correct explanation of the Assertion.
  • C
    Assertion is true but the Reason is false.
  • D
    The statement of the Assertion is false but the Reason is true.
✓

Answer

Correct option: A.
Both the Assertion and the Reason are correct and the Reason is the correct explanation of the Assertion.
Cattle manure is basically made up of digested grass and grain. Cow dung is high in organic materials and rich in nutrients. It contains about $3$ percent nitrogen, $2$ percent phosphorus, and $1$ percent potassium $(3-2-1 NPK)$.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "Assertion (A) & Reason (B) MCQ" from Improvement in Food Resources→Improvement in Food Resources — all question types→Science STD 9 question papers→Gujarat Board STD 9 question papers→Gujarat Board question paper generator→

Similar questions

In the following Questions, the Assertion and Reason have been put forward. Read the statements carefully and choose the correct alternative from the following:
Assertion: Cell is the structural and functional unit of all living organisms.
Reason: Anything less than the complete structure of a cell does not ensure independent living.
→
In the following questions, a statement of Assertion $(A)$ is followed by a statement of Reason $(R)$. Mark the correct choice as:
Assertion: Liquids diffuse less easily as compared to gases.
Reason: Intermolecular forces are greater in gases.
→
In the following Questions, the Assertion and Reason have been put forward. Read the statements carefully and choose the correct alternative from the following:
  1. Both the Assertion and the Reason are correct and the Reason is the correct explanation of the Assertion.
  2. The Assertion and the Reason are correct but the Reason is not the correct explanation of the Assertion.
  3. Assertion is true but the Reason is false.
  4. The statement of the Assertion is false but the Reason is true.
Assertion: The slope of distance time graph gives acceleration of the body.
Reason: Greater the slope of distance time graph, more is the speed of the body.
→
→
Assertion (A): Student of class IX covered the potted plant with a glass jar, water vapour appears on the wall of the glass jar.
Reason (R): Desert plants, the epidermis has a thick waxy coating of cutin chemical substance with waterproof quality on its outer surface.
→
Assertion (A): Motion of satellites around their planets is considered as accelerated motion.
Reason (R): During their motion, the speed remains constant, while the direction of motion changes continuously.
→
Assertion (A): Bohr's orbits are called stationary orbits.
Reason (R): Electrons remain stationary in these orbits for sometime.
→
In the following Questions, the Assertion and Reason have be put forward. Read the statements careful and choose the correct alternative from the following:
Assertion: You are hurt more when you fall on cushion than on hard floor.
Reason: Momentum change occurs over a shorter time interval on hitting a hard surface than on a soft cushion.
→
A statement of Assertion is given by the corresponding statement of Reason. Of the statements, mark the correct answer as:
Assertion: At the centre of earth, the value of gravitational acceleration is maximum.
Reason: On going below the earth surface, the value of gravitational acceleration increases.
→
In the following Questions, the Assertion and Reason have been put forward. Read the statements carefully and choose the correct alternative from the following:
Assertion: Mass remains constant at every point in the universe.
Reason: Mass of a body can be zero.
→