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questions
List of practice Questions
Expand: ZIFT and ICSI
PSEB XII
Biology
Reproductive Health
What do you mean by law of segregation.
PSEB XII
Biology
Principles of Inheritance and Variation
What will the progeny be if a woman carrier for haemophilia marries a normal man?
PSEB XII
Biology
Principles of Inheritance and Variation
What is convergent evolution. Give an example
PSEB XII
Biology
Evolution
In national park protection is given to
PSEB XII
Biology
Biodiversity and Conservation
Copper T is used as birth control device by women
PSEB XII
Biology
Reproductive Health
Sickle cell anaemia is an example of point mutation.
PSEB XII
Biology
Principles of Inheritance and Variation
Vaccination is a type of innate immunity
PSEB XII
Biology
Human health and disease
In gel electrophoresis DNA fragments separate according to their charge
PSEB XII
Biology
Biotechnology
Zygote divides to form ……….which is implanted in uterine wall
PSEB XII
Biology
Human Reproduction
Substances which cause allergy are called ……..
PSEB XII
Biology
Human health and disease
Vertebrate forelimbs are example of
PSEB XII
Biology
Evolution
The genes causing cancer are
PSEB XII
Biology
Human health and disease
If BOD of water sample is very high, the sample is
PSEB XII
Biology
Microbes in human welfare
Plasmids are used as cloning vectors because they
PSEB XII
Biology
Biotechnology
Golden rice is enriched with
PSEB XII
Biology
Biotechnology
Mycohhroezais example of
PSEB XII
Biology
Organisms and Populations
At each tropic level in which form energy is lost
PSEB XII
Biology
Ecosystem
The nuclei present in central cell of embryo sac is called
PSEB XII
Biology
sexual reproduction in flowering plants
Delivery of developed fetus is scientifically called
PSEB XII
Biology
Human Reproduction
Disadvantages of amniocentesis is
PSEB XII
Biology
Reproductive Health
A cross between F1 hybrid and any one of parent is
PSEB XII
Biology
Principles of Inheritance and Variation
Let $S$ be the set of all solutions of the equation $\cos ^{-1}(2 x)-2 \cos ^{-1}\left(\sqrt{1-x^2}\right)=\pi$, $x \in\left[-\frac{1}{2}, \frac{1}{2}\right]$ Then $\displaystyle\sum_{x \in S} 2 \sin ^{-1}\left(x^2-1\right)$ is equal to
JEE Main
Mathematics
Trigonometric Identities
Subtract 4p
2
q – 3pq + 5pq
2
– 8p + 7q – 10 from 18 – 3p – 11q + 5pq – 2pq
2
+ 5p
2
q
CBSE Class VIII
Mathematics
Addition and Subtraction of Algebraic Expressions
If the mean kinetic energy of Helium is 5000 J at 400 K, then the kinetic energy of neon at 800 K is
KEAM
Chemistry
Thermodynamics
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