which of the following is correct about the secretion of primary hormone by the thyroid is___

TLS Online TPP Program

#Question id: 40156

#Botany

Q.The important characteristics of C4 plants are:

(A). Presence of Kranz anatomy in leaves 

(B). Primary CO₂ acceptor is PEP (Phosphoenolpyruvate) 

(C). High photorespiration rates 

(D). Tolerance to higher temperatures

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TLS Online TPP Program

#Question id: 40157

#Botany

Q.Which of the following statements are correct regarding Rhodophyceae (Red Algae)?

(A). Major pigments are chlorophyll a, d and phycoerythrin

(B). Stored food is Floridean starch

(C). Motile flagellated stages are absent in their life cycle

(D). Sexual reproduction is isogamous type

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TLS Online TPP Program

#Question id: 40158

#Botany

Q. Identify the correct statements regarding the structure of DNA:

(A). The two chains have anti-parallel polarity 

(B). The backbone is constituted by sugar-phosphate 

(C). Adenine pairs with Thymine through three hydrogen bonds 

(D). The pitch of the helix is 3.4 nm

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TLS Online TPP Program

#Question id: 40159

#Botany

Q. Which of the following are true regarding ecological pyramids?

(A). The pyramid of energy is always upright 

(B). The pyramid of biomass in a sea is generally inverted 

(C). The pyramid of number in a tree ecosystem is inverted

 (D). Saprophytes are given a specific place in ecological pyramids

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TLS Online TPP Program

#Question id: 40160

#Environmental Science

Q. Which of the following are true regarding ecological pyramids?

(A). The pyramid of energy is always upright 

(B). The pyramid of biomass in a sea is generally inverted 

(C). The pyramid of number in a tree ecosystem is inverted

 (D). Saprophytes are given a specific place in ecological pyramids

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TLS Online TPP Program

#Question id: 40161

#Botany

Q. Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).

Assertion (A): C4 plants are photosynthetically more efficient than C3 plants.

Reason (R): C4 plants lack the process of photorespiration due to the concentration of CO₂ at the enzyme site (RuBisCO).

In light of the above statements, choose the correct answer from the options given below: