#plant development question

PSS-Sec-E-Sensory biology

In ABC model of floral development, gene expressed in all four whorls is:

The right choice is B: AP2. In PSS-Sec-E-Sensory biology, that matches how the process or concept actually works — the other choices mix up related ideas or use the wrong mechanism. Skip these: A) AP1; C) AP3; D) AG. A quick check: if an option needs energy, pumps, or the opposite direction of movement, ask whether that really applies.

Ref: Best CSIR NET Plant Physiology books: Master Unit 6 with Taiz & Zeiger and Salisbury & Ross. Crack Part C experimental questions with top textbooks.

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PSS- Sec-F-Transport

Asymmetric cell division in plants is best exemplified by:

Pick C: First mitotic division of microspore. Thinking through PSS- Sec-F-Transport step by step rules out the lookalikes and leaves First mitotic division of microspore. Skip these: A) Formation of guard cells; B) Division in root elongation zone; D) Division of megaspore. For hormones and genes, match the molecule or gene to its real role, not a neighboring pathway.

Ref: Best CSIR NET Plant Physiology books: Master Unit 6 with Taiz & Zeiger and Salisbury & Ross. Crack Part C experimental questions with top textbooks.

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ABC MODEL+PYQS

Class C gene in Arabidopsis is:

Correct option is D, AGAMOUS. In ABC MODEL problems like this, the accurate statement is AGAMOUS; the others are common mix-ups. Not these: A) AP1; B) AP2; C) AP3. Tissue transport questions usually turn on xylem vs phloem, living vs dead cells, or source vs sink.

Ref: Best CSIR NET Plant Physiology books: Master Unit 6 with Taiz & Zeiger and Salisbury & Ross. Crack Part C experimental questions with top textbooks.

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ABC MODEL+PYQS

Class B + Class C gene expression gives rise to:

Answer: C) Stamens. For ABC MODEL, remember the key idea and you’ll land on this option; the distractors usually swap cause and effect or confuse similar terms. Avoid: A) Petals; B) Sepals; D) Carpels. Name the process first, then pick the option that describes it — don’t reverse cause and effect.

Ref: Best CSIR NET Plant Physiology books: Master Unit 6 with Taiz & Zeiger and Salisbury & Ross. Crack Part C experimental questions with top textbooks.

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ABC MODEL+PYQS

Which floral whorl is specified by class A genes alone?

That points to B: Sepal. Compared with the other options, Sepal is the one that correctly describes the ABC MODEL concept. The wrong ones are A) Petal; C) Stamen; D) Carpel. If you’re stuck, eliminate anything that contradicts a basic fact you already know for this topic.

Ref: Best CSIR NET Plant Physiology books: Master Unit 6 with Taiz & Zeiger and Salisbury & Ross. Crack Part C experimental questions with top textbooks.

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