badge image

Enroll For Free Now & Improve Your Performance.

User Icon
User Icon
User Icon
User Icon
User Icon

Thank you for registering.

One of our academic counsellors will contact you within 1 working day.

Please check your email for login details.

Use Coupon: CART20 and get 20% off on all online Study Material

Total Price: Rs.

There are no items in this cart.
Continue Shopping
  • Complete JEE Main/Advanced Course and Test Series
  • OFFERED PRICE: Rs. 15,900
  • View Details

Solved Examples on Plant Kingdom

(1) In angiosperms, functional megaspore develops into [CBSE PMT’2011M]

(a) Embryo sac

(b) Ovule

(c) Endosperm

(d) Pollen sac

Answer: a


During megametogenesis functional megaspore (most chalazal) gives rise to embryo sac. This is the mature female gametophyte generation.

Get Chapter Test for this Topic

(2) Cycas and Adiantum resemble each other in having [CBSE PMT’2012M]

(a) Seeds

(b) Motile Sperms

(c) Cambium

(d) Vessels

Answer: b


Cycas (a gymnosperm) and Adiantum known as Maiden hair fern is a pteridophyte resemble each other in having motile sperm. Seeds, cambium are common in gymnosperms and absent in pteridophytes. True vessels are absent in both pteridophytes and gymnosperms.

(3) Gymnosperms are also called soft wood spermatophytes because they lack [CBSE PMT’2012M]

(a) Cambium

(b) Phloem fibres

(c) Thick-walled tracheids

(d) Xylem fibres

Answer: d


Gymnosperms lack thick walled tracheids rendering them soft-wood because tracheids impart strength to wood. Tracheids are the elongated cells in xylem.

Course Features

  • 728 Video Lectures
  • Revision Notes
  • Previous Year Papers
  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Test paper with Video Solution