Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative Assertion (A) : a Leaves of plants are green. Reason (R) : Plants contain chromoplasts, the green pigment.

An assertion and a reason are given below. Assertion: The phenomenon of nuclear fission generates great energy. Reason: The process in which a nucleus is broken into two parts is called nuclear fission. Choose the answer. 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. Both Assertion and Reason are false. D. Assertion is true but Reason is false.

A

B

D

C

B

D

C

An assertion (A) and a reason (R) are given below. Assertion (A): Leaves are green in colour. Reason (R): Chlorophyll, a green pigment is present in leaves. Choose the correct option.

A

Both A and R are true and R is the correct explanation of A

B

Both A and R are true and R is the correct explanation of A

C

Both A and R are true, but R is not the correct explanation of A

D

Both A and R are true, but R is not the correct explanation of A

E

A is true, but R is false

F

A is true. but R is false

G

A is false, but R is true

H

A is false, but R is true

The proposition ‘All leaves are green’ is equivalent to which of the following propositions? 1.No leaves are green 2.No leaves are non-green 3.No leaves are in other colour than green 4.No green is leaf Select the correct answer from the option given below:

A

2, 3 and 4

B

1 and 2

C

2 only

D

2 and 3

A teacher of Class III had asked children to classify the leaves of the following trees/plants into different groups—lemon, mango, basil, mint, neem, banana, etc. Some students classified leaves as (a) leaves with medicinal values and leaves without medicinal values, (b) big leaves and small leaves. The teacher marked group (a) as right and group (b) as wrong. Which of the following statements reflects the teacher's view of learning and assessment?

A

Children bring multiple perspectives in classroom which is to be appreciated.

B

Children can use multiple ways of classification depending upon their experiences.

C

Classification task is very specific and structured and there is one right answer.

D

The activity is focused to seek information from leaves which can be interpreted differently.

The use of energy from sunlight by plants doing photosynthesis is the basis of life on earth. Which of the following statement is correct for photosynthesis? 1. chlorophyll (green pigment of the leaf), light, and CO2 are required for photosynthesis to occur. 2. photosynthesis occurs only in the green parts of the leaves in the presence of light. 3. chlorophyll is the chief pigment associated with photosynthesis.

A

1 and 2 Only

B

2 and 3 Only

C

1, 2 and 3

D

1 and 3 Only

Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative Assertion (A) : Red colour of blood is due to haemoglobin. Reason (R) : Haemoglobin is a red pigment.

A

Both A and R are true and R is the correct explanation of A.

B

Both A and R are true but R is NOT the correct explanation of A.

C

A is true but R is false.

D

A is false but R is true.

Which of the following phrases (i),(ii), and (iii) given below each sentenceshould replace the phrase printed in boldletters to make the sentence grammaticallycorrect? Choose the best option among thefive given alternatives that reflect the correctuse of phrase in the context of thegrammatically correct sentence. If thesentence is correct as it is, mark (E) i.e., "Nocorrection required" as the answer.
The trees shed his leaves every timeautumn approaches but a healthy treealways gets its leaves back in the spring,which explains the point that fighting spirit isenough to keep one afloat.
i. Has shed their leaves every time autumnapproaches
ii. shed their leaves every time autumnapproaches
iii. shed its leaves every time autumnapproaches

A

A. Only i

B

B. Only ii

C

C. Only iii

D

D. i and iii

The following items consist of two statements, one labeled as “Assertion (A)” and the other labeled as the “Reason (R)”. You are to examine the two statements carefully and decide if the Assertion (A) and the Reason (R) are individually true and if so whether the reason is a correct explanation of the assertion. Select your answer to these items using the codes given below and mark your answer accordingly. Assertion (A): A sphygmomanometer is always used in conjunction with a means to determine at what pressure, blood flow is just starting, and at what pressure it is unimpeded. Reason (R): Manual sphygmomanometers are used in conjunction with a stethoscope.

A

Both (A) and (R) are true and (R) is the correct explanation of (A).

B

Both (A) and (R) are true, but (R) is not the correct explanation of (A)

C

(A) is true, but (R) is false.

D

(A) false, but (R) is true.

The following items consist of two statements, one labeled as “Assertion (A)” and the other labeled as the “Reason (R)”. You are to examine the two statements carefully and decide if the Assertion (A) and the Reason (R) are individually true and if so whether the reason is a correct explanation of the assertion. Select your answer to these items using the codes given below and mark your answer accordingly. Assertion (A): Polarization preserving fibers have a special core design that maintains the state of polarization. Reason (R): In polarization preserving fibers, there is a stress applying part, which creates slow and fast axes in the core.

A

Both (A) and (R) are true and (R) is the correct explanation of (A).

B

Both (A) and (R) are true, but (R) is not the correct explanation of (A)

C

(A) is true, but (R) is false.

D

(A) false, but (R) is true.

The following items consist of two statements, one labeled as “Assertion (A)” and the other labeled as the “Reason (R)”. You are to examine the two statements carefully and decide if the Assertion (A) and the Reason (R) are individually true and if so whether the reason is a correct explanation of the assertion. Select your answer to these items using the codes given below and mark your answer accordingly. Assertion (A): In a magnetron, each cavity with its input gap acts as an open circuit transmission line of length half wavelength long. Reason (R): In magnetrons, the usual mode employed is the ‘π’ mode, where the phase change between the adjacent cavities is π radians.

A

Both (A) and (R) are true and (R) is the correct explanation of (A).

B

Both (A) and (R) are true, but (R) is not the correct explanation of (A)

C

(A) is true, but (R) is false.

D

(A) false, but (R) is true.

Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative Assertion (A) : a Leaves of plants are green. Reason (R) : Plants contain chromoplasts, the green pigment.

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