Biology MCQs

Page No. 50

Sporangia of which of the following tracheopytes develop singly on the upper side of sporophylls which may or may not be arranged to form strobili_____________?


aPsilopsida


bLycopsida


cSphenopsida


dPrteropsida


View Answer Lycopsida

Which of the following group of tracheophyta has expanded or scale like leaves which are alwaysed arranges in whorls?


aPsilopsida


bLycopsida


cSphenopsida


dPrteropsida


View Answer Sphenopsida

Stem of Psilophyton an example of psilogsida is differentiated into an underground rhizome and an aerial part both of which are _________ branched


aIsotomous


bDichotomously


cTrichotomously


dMultichotomously


View Answer Dichotomously

Maize is an example of_________________?


aMonocot


bDicot


cGymnosperms


dnone of these


View Answer Monocot

Which of the following statement about dicots is incorrect _________________?


aThey have 4 or 5 sepals and petals or their multiple


bThey have parallel vein pattern on their leaves


cThey are both herbaceous and woody


dVascular bundles are ring shaped in their stems



The first cell of the sporophyte generation is______________?


aOospore


bSpore mother cell


cSpore


dGamete


View Answer Oospore

Monocots are characterized by___________?


aNumber of sepals and petals are 2 or multiple of 2


bNumber of sepals and petals are 3 or multiple of 3


cNumber of sepals and petals are 4 or multiple of 4


dNumber of sepals and petals are 5 or multiple of 5



The part of sporophyte which is called sporangium is____________?


aCapsule


bFoot


cStalk


dNone of these


View Answer Capsule

Microspore of a seed plant that contain male gametophyte including the gamete is called_______________?


aPollen grain


bOvule


cMicrogametophyte


dMicrosporangium


View Answer Pollen grain

In Hornworts the band of meristematic tissue is found near_____________?


aFoot


bGamete producing region


cSpore producing region


dAt junction of A & B


View Answer At junction of A & B

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