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Which among the following is not correct about different modifications of stem?

AWeak stems are aerial stems that are further classified into trailer, creeper and climber

BStems in rhizome, tuber and bulb grow under the ground

CIn some plants, stems are modified into thorns for defense

DStems in corn grow above the ground

Answer:

D. Stems in corn grow above the ground

Read Explanation:

Weak stems are aerial stems that are further classified into trailer, creeper and climber. Stems in rhizome, tuber and bulb grow under the ground. In some plants, stems are modified into thorns for defense. Stems in corn grow under the ground.


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ഇൻഡിഗോഫെറ, സെസ്ബാനിയ, സാൽവിയ, അല്ലിയം, കറ്റാർവാഴ, കടുക്, നിലക്കടല, മുള്ളങ്കി, പയർ, ടേണിപ്പ് എന്നിവയിലെ എത്ര സസ്യങ്ങളുടെ പൂക്കളിൽ വ്യത്യസ്ത നീളമുള്ള കേസരങ്ങളുണ്ട്?
Identify the CORRECT statements related to Apomixis: (a) Apomixis is contradictory to amphimixis (b) Apomixis may involve parthenogenesis (c) Apomixis brings about variation d) Apomixis can lead to seed formation
സി. 4 സസ്യങ്ങളുടെ പ്രത്യേകതകളാണ്:
ഏകബീജപത്ര സസ്യങ്ങളിലെ എപികോട്ടൈലിൽ, _______ ഉള്ളിൽ പൊതിഞ്ഞ കുറച്ച് ഇലകളുടെ പ്രൈമോർഡിയകൾ (primordia) ഉണ്ട്.

Which of the following statements are correct about herbarium?

  1. It is a store house of collected plant specimens that are dried and preserved on sheets.
  2. Herbarium sheets contain information about date and place of collection, names, family, collector’s name, etc.
  3. It serves as quick referral systems in taxonomical studies.
  4. All of the above