Practice Questions

TLS Online TPP Program

#Question id: 23729

Meristic characteristics___

#Unit 8. Inheritance Biology

they are continuous and considered as quantitative because they are determined by multiple genetic and environmental factors
It display only two possible phenotypes—the trait is either present or absent—but they are quantitative because the underlying susceptibility to the characteristic varies continuously
It can be attributed to genetic and environmental influences.
they are not continuous but are nevertheless considered quantitative because they are determined by multiple genetic and environmental factors

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TLS Online TPP Program

#Question id: 29486

#Unit 6. System Physiology – Plant

Which of the following is examples of Aromatic cytokinins

a. ortho-Topolin (oT), meta-Topolin (mT), Benzyladenine (BA

b. ortho-Methoxytopolin, meta-Methoxytopolin

c. trans-Zeatin (tZ), Dihydrozeatin (DZ)

d. cis-Zeatin, trans-Zeatin (tZ)

Which of the following is correct

TLS Online TPP Program

#Question id: 29487

#Unit 6. System Physiology – Plant

Some statement is given related to cytokinin

a. iP and tZ are active, and their derivatives are abundant

b. iP and tZ are inactive, and they are not abundant

c. iP and tZ are susceptible to degradation by CK oxidase (CKX).

d. all cZ‐type CKs are derived from tRNA degradation in cZ‐abundant plant species

Which of the following is INCORRECT

TLS Online TPP Program

#Question id: 29488

#Unit 6. System Physiology – Plant

iPRTP or iPRDP is converted to ZTP or ZDP respectively by

TLS Online TPP Program

#Question id: 29489

#Unit 6. System Physiology – Plant

The ribotide and riboside forms of trans-zeatin can be interconverted, and free transzeatin can be formed from the ribotide by the

TLS Online TPP Program

#Question id: 29490

#Unit 6. System Physiology – Plant

Some statement is given related to cytokinin regarding location, expression and synthesis and concentration

a. IPT1, IPT3, IPT5, and IPT8 are located in plastids

b. KNOX gene expression increases cytokinin levels in the shoot with the help of IPT7

c. Cytokinin Primary site of synthesis -- root tips.

d. High concentrations -- immature seeds and developing fruits

Which one of the following options represents the combination of all correct statements?

TLS Online TPP Program

#Question id: 29491

#Unit 6. System Physiology – Plant

Which of the following is correctly matched with their Response, phenomenon of photoreversibility and reciprocity

Response	Photoreversibility	Reciprocity
1. VLFR	a. Yes	I. No
2. LFR	b. No	II. Yes
3. HIR