Which of the following characteristics is mainly responsible for diversification of insects on land
Options
(a) Bilateral symmetry (b)Exoskeleton (c) Eyes (d) Segmentation
Correct Answer:
Exoskeleton
Explanation:
The exoskeleton of insects consists of chitinous […]
When the margins of sepals or petals overlaps one another without any particular direction,the condition is termed as
Options
(a) vexillary (b) imbricate (c) twisted (d) valvate
Correct Answer:
imbricate
Explanation:
No explanation […]
Endosperm is Cycas is
Options
(a) haploid (b) diploid (c) triploid (d) tetraploid
Correct Answer:
haploid
Explanation:
In Gymnosperms like Cycas/Pinus, endosperms of female gametophyte is haploid and formed before fertilization
Edible part of mango is
Options
(a) epicarp (b) endocarp (c) mesocarp (d) receptacle
Correct Answer:
mesocarp
Explanation:
In fleshy fruits, the pericarp is typically made up of three layers: the epicarp (called […]
Club moss is a member of
Options
(a) Algae (b) Fungi (c) Bryophyta (d) pteridophyta
Correct Answer:
pteridophyta
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
Anomalous secondary growth is found in
Options
(a) yucca (b) dracaena (c) aloe (d) all of these
Correct Answer:
all of these
Explanation:
No explanation available. Be the first to write the explanation […]
Limbless amphibians belong to the order
Options
(a) Anura (b) Urodela (c) Gymnophonia (d) Lissamphibia
Correct Answer:
Gymnophonia
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
Histogens capping root apical,meristem is
Options
(a) dermatogen (b) calyptrogen (c) periblem (d) plerome
Correct Answer:
calyptrogen
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
Cloacal aperture of frog is used to pass out
Options
(a) sperm (b) faeces (c) urine (d) all of these
Correct Answer:
all of these
Explanation:
No explanation available. Be the first to […]
Heart to pump blood evolved for the first time in
Options
(a) annelids (b) arthropods (c) roundworms (d) flatworms
Correct Answer:
annelids
Explanation:
No explanation available. Be the first to write the explanation […]
2017 Copyright Doctor Dreams Training Academy