(A) Synthesis of DNA
(B) Decrease synthesis of cyclin
(C) The enzymatic destruction of the cyclin
(D) All are correct
Category: Biology Mcqs
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In which of the following group would you place a plant which produces spores has vascular tissue and lacks seed?
(A) Pteridophyta
(B) Algae
(C) Bryophyta
(D) Gymnosperms
Which plant is a moss?
(A) Polytrichum
(B) Marchantia
(C) Porella
(D) Anthoceros
The perianth is the term used when?
(A) Gynoecium and Corolla are similar
(B) Calyx and Corolla are similar
(C) Androecium and Gynoecium are similar
(D) Androecium and Calyx are similar
The root which develop from any portion of the plant except the radical is known as?
(A) Stilt root
(B) Tap root
(C) Fibrous root
(D) Adventitious root
Which of the following is absent in xylem of gymnosperm?
(A) Vessels
(B) Fibres
(C) Parenchyma
(D) Tracheids
In mollusca the foot is modified into funnel in?
(A) Bivalvia
(B) Scaphopoda
(C) Gastropoda
(D) Cephalopoda
Two amino acids of the standard 20 contain sulphur atoms they are?
(A) Cysteine and Threonine
(B) Cysteine and Serine
(C) Methionine and Cysteine
(D) Methionine and Serine