Which of the following is not a characteristic feature of all chordates
Options
(a) the presence of coelom (b) pharyngeal gill clefts in the early embryonic stages (c) a diaphragm that sperates thorax […]
The fruits developed from ovary and other floral parts except ovary are called
Options
(a) true and false fruits respectively (b) false and true fruits respectively (c) `neither false not true fruit (d) […]
In epigynous flower
Options
(a) ovary is superior (b) calyx,corolla and androcium are all superior (c) calyx,corolla and androceium are all inferior (d) only accessory whorls are inferior
Correct Answer:
calyx,corolla and androcium […]
Metameric segmentation is the characteristic of
Options
(a) platyhelminthes and Anthropoda (b) Echinodermata and Annelida (c) Annelida and Arthropoda (d) Mollusca and chordata
Correct Answer:
Annelida and Arthropoda
Explanation:
No explanation available. Be […]
Two common characters found in centipede cockroach and crab are
Options
(a) compound eyes and anal cerci (b) jointed legs and chitiinous exoskeleton (c) green gland and tracheae (d) book lungs and antennae
Companion cells are absent in pholem of
Options
(a) angiosperms are bryophytes (b) pteridophytes and gymnosperms (c) angiosperms and gymnosperms (d) bryophytes and angiosperms
Correct Answer:
pteridophytes and gymnosperms
Explanation:
No explanation […]
Which of the following is a group of rhizomes
Options
(a) allium cepa,cenna, zingiber (b) canna,zingiber curcuma (c) allium sativum,ammomum,curcuma (d) cynodon,canna,allium cepa
Correct Answer:
canna,zingiber curcuma
Explanation:
No explanation available. Be the […]
In order for cells to form a tissue they must
Options
(a) have different membrane proteins (b) have different membrane potentials (c) receive a command from the central nervous system (d) recognise one […]
Generally, reptile have 3(1/2) chambered heart except
Options
(a) crocodile,which have four chambered heart (b) alligator,which have four chambered heart (c) crocodile which have three chambered heart (d) both a and b
Correct […]
The modification of ptiole into leaf like structure is called
Options
(a) phylloclade e.g Opuntia (b) cladode,e.g. Asparagus (c) phyllode e.g Australian acacia (d) leaf tendril e.g pisum sativum
Correct Answer:
phyllode e.g […]
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