1
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
What is the genetic disorder in which an individual has an overall masculine development, gynaecomastia, and is sterile?
A
Edward syndrome
B
Down’s syndrome
C
Turner’s syndrome
D
Klinefelter’s syndrome
2
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
Select the correct group of biocontrol agents.
A
Oscillatoria, Rhizobium, Trichoderma
B
Nostoc, Azospirillium, Nucleopolyhedrovirus
C
Bacillus thuringiensis, Tobacco mosaic virus, Aphids
D
Trichoderma, Baculovirus, Bacillus thuringiensis
3
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
Select the incorrect statement.
A
In domesticated fowls, sex of progeny depends on the type of sperm rather than egg.
B
Human males have one of their sex-chromosome much shorter than the other.
C
Male fruit fly is heterogametic
D
In male grasshoppers, 50% of sperms have no sex-chromosome.
4
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
Consider following features:

(a) Organ system level of organisation
(b) Bilateral symmetry
(c) True coelomates with segmentation of body

Select the correct option of animal groups which possess all the above characteristics
A
Arthropoda, Mollusca and chordata
B
Annelida, Mollusca and chordata
C
Annelida, Arthropoda and chordate
D
Annelida, Arthropoda and Mollusca