The genotypic ratio of Mendel's monohybrid cross is
Anonymous Quiz
2%
2:2
11%
1:1:1:1
21%
3:1
66%
1:2:1
How many types of gametes would be produced by homozygous parents differing in single pair of contrasting character?
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37%
1
49%
2
6%
3
9%
4
A certain orbital has no angular nodes and two radial nodes. The orbital is
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23%
2s
58%
3s
12%
3p
7%
2p
The number of orbitals associated with quantum numbers n = 4, ms = + 1โ2 is
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18%
8
14%
25
57%
16
11%
32
For a p - electron, the orbital angular momentum is
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18%
โ6(h/2ฯ)
61%
โ2(h/2 ฯ)
15%
(3) (h/2 ฯ)
5%
2(h/2 ฯ)
In Bohr series of lines of hydrogen spectrum, the third line from the red end corresponds to
which one of the following inter-orbit jumps of the electron for Bohr orbits in an atom of hydrogen
which one of the following inter-orbit jumps of the electron for Bohr orbits in an atom of hydrogen
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24%
3 โ 2
41%
5 โ 2
30%
4 โ 1
6%
2 โ 5
Any p-orbital can accommodate upto
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5%
Four electrons
50%
Six electrons
8%
Two electrons with parallel spins
37%
Two electrons with opposite spins
The process of conversion of non-motile spermatids into motile spermatozoa is called
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76%
spermiogenesis
4%
oogenesis
4%
sporogenesis
17%
spermatogenesis
Find out the incorrect statement for IUD.
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82%
They can be self-inserted
8%
They are inserted by expert nurses/doctors
7%
They may be non-medicated IUDs, copper releasing IUDS or hormone releasing IUDS
3%
They are intrauterine devices
Emergency contraceptives are effective if used within
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88%
72 hrs of coitus
7%
72 hrs of ovulation
3%
72 hrs of menstruation
2%
72 hrs of implantation
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#Moleconcept #Class11Chemistry #Class11Chemistrychapter1 #Molarity #Molality #NEET2025
Which is false statement about LCAO
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7%
Addition of atomic orbitals result in molecular orbitals
30%
Atomic orbitals of nearly same energy combine to form molecular orbitals
53%
Bonding molecular orbitals occupy higher energy than atomic orbitals
10%
Each molecular orbital accommodates maximum no. of two electrons
Which of the following is correctly based on molecular orbital theory for peroxide ion
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15%
Its bond order is two and it is diamagnetic
37%
Its bond order is one and it is paramagnetic
19%
Its bond order is two and it is paramagnetic
29%
its bond order is one and it is diamagnetic
Which among the following compounds does not show hydrogen bonding
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37%
Chloroform
6%
Ethyl alcohol
10%
Acetic acid
47%
Ethyl ether
The pathogens causing elephantiasis are transmitted to a healthy person through the bite of
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8%
fleas
88%
female mosquito
2%
rats
3%
male mosquito
Which of the following STDs are not curable?
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87%
Genital herpes, hepatitis-B, HIV infection
6%
Chlamydiosis, Syphilis, genital warts
6%
HIV, gonorrhoea, trichomoniasis
1%
Gonorrhoea, trichomoniasis, hepatitis-B
The first cellular forms of life appeared on earth around ______ million years ago.
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28%
500
4%
750
57%
2000
10%
4000