Home
Class 11
BIOLOGY
Which of the following statements are co...

Which of the following statements are correct about heartwood?
(i). It does not help in water conduction
(ii). It is also called alburnum
(iii). It is light in colour and is very soft
(iv). It has tracheray elements which are filled with tannins, resins etc.

A

(ii) and (iv)

B

(i),(ii) and (iii)

C

(ii), (iii) and (iv)

D

(i) and (iv)

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

What is /are true about heart wood A. It does not help in water conduction B. It is also called alurnum C. It is dark in colour but very soft D. It has tracheary element which are filled with tannin, resin, etc.

Which of the following statement is correct regarding the nitrogen molecule? (i) it is diamagnetic and diatomic (ii) It is contains a triple bond (iii) It is very stable (iv) It is inert at room temperature

Which of the following elements has positive Delta_(eg)H ? (i) Mn (ii) Zn (iii) Cd (iv) Hg

Which of the following statements are correct? (i) Sound is produced by vibrations. (ii) Sound requires a medium for propagation. (iii) Light and sound both require a medium for propagation. (iv) Sound travels slower than light.

Which of the following solutions are electrolytes? i. Dil. HCl ii. Sugar Solution iii. Alcohol in water iv. Lime water

Which of the following statements are correct about ionic hydrides ? (i) Crystalline, non-volatile, non-conducting in solid state (ii) Their melts conduct electricity (iii) Hydrogen is liberated at anode when their melt is electrolysed (iv) LiH is less reactive at moderate temperature

Which of the following statements is/are correct ? (i) Endothecium lies below epidermis (ii) Fusion of egg with male gamete is called apogamy (iii) Synergids are haploid. (iv) The point at which funicle touches the ovule is raphe.