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

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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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