MHT CET · BIOLOGY · STD 12 - 11. Enhancement of Food Production

Identify the WRONG match of the crop variety and its resistance to pest or disease.

A Pusa Shubhra ---- Curl blight and black rot.
B Pusa Sawni and Pusa A4 ---- Shoot and fruit borer
C Pusa Sadabahar ---- Stem borer and aphids
D Pusa Gaurav ---- Aphids

Verified Solution

Answer & Solution

Correct Answer

(C) Pusa Sadabahar ---- Stem borer and aphids

Step-by-step Solution

Detailed explanation

Pusa sadabahar is resistant to chilli mosaic virus, Tobacco mosaic virus and leaf curl.

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

Same subject

Identify the CORRECT match from the Columns I, II and III.

I	II	III
1. Interstitial cells	a. Cortex of ovary	i. Follicular fluid
2. Sertoli cells	b. Ovarian follicle	ii. Progesterone
3. Granulosa cells	c. Testis	iii. Attachment of sperm bundle
4. Cells of corpus luteum	d. Seminiferous tubules	iv. Testosterone

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