- (A) Accumulation of toxic waste products in leaves.
- (B) Deficiency of chlorophyll.
- (C) Short supplies of mineral nutrients in the soil.
- (D) All of these
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- (A) Psilopsida
- (B) Lycopsida
- (C) Sphenopsida
- (D) Prteropsida
- (A) Psilopsida
- (B) Lycopsida
- (C) Sphenopsida
- (D) Prteropsida
- (A) Psilopsida
- (B) Lycopsida
- (C) Sphenopsida
- (D) Prteropsida
- (A) Isotomous
- (B) Dichotomously
- (C) Trichotomously
- (D) Multichotomously
- (A) Monocot
- (B) Dicot
- (C) Gymnosperms
- (D) none of these
- (A) They have 4 or 5 sepals and petals or their multiple.
- (B) They have parallel vein pattern on their leaves
- (C) They are both herbaceous and woody
- (D) Vascular bundles are ring shaped in their stems.
- (A) Oospore
- (B) Spore mother cell
- (C) Spore
- (D) Gamete
- (A) Number of sepals and petals are 2 or multiple of 2
- (B) Number of sepals and petals are 3 or multiple of 3
- (C) Number of sepals and petals are 4 or multiple of 4
- (D) Number of sepals and petals are 5 or multiple of 5
- (A) Capsule
- (B) Foot
- (C) Stalk
- (D) None of these
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