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Jaiyush19
Jaiyush19
@jaiyush19
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Joined: Sep 10, 2021
Last seen: Jul 13, 2023
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Topics: 2159 / Replies: 16
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Topic
Barr body in mammals represents (1) all heterochromatin in male and female cells (2) all the heterochromatin in female cells
4 years ago
Forum
Biology
Replies: 0
Views: 301
Topic
The polytene chromosomes were discovered for the first time in
4 years ago
Forum
Biology
Replies: 0
Views: 149
Topic
The most striking example of point mutation is found in a disease called
4 years ago
Forum
Biology
Replies: 0
Views: 109
Topic
The change of the light-coloured variety of peppered moth (Biston betularia) to its darker variety (Biston carbonaria) is due to
4 years ago
Forum
Biology
Replies: 0
Views: 138
Topic
The process of mating between closely related individuals is
4 years ago
Forum
Biology
Replies: 0
Views: 93
Topic
A cross between pure tall Pea plant with green pods and dwarf Pea plant with yellow pods will produce short F2 plants out of 16
4 years ago
Forum
Biology
Replies: 0
Views: 46
Topic
A child of blood group O can not have parents of blood groups
4 years ago
Forum
Biology
Replies: 0
Views: 46
Topic
A fruitfly exhibiting both male and female traits is
4 years ago
Forum
Biology
Replies: 0
Views: 171
Topic
Genes located on Y-chromosome are (1) autosomal genes (2) mutant genes (3) holandric genes (4) sex-linked genes
4 years ago
Forum
Biology
Replies: 0
Views: 78
Topic
Which of the following is suitable for experiment on linkage
4 years ago
Forum
Biology
Replies: 0
Views: 279
Topic
Mr. Kapoor has Bb autosomal gene pair and d allele sexlinked. What shall be proportion of Bd in sperms
4 years ago
Forum
Biology
Replies: 0
Views: 213
Topic
Of both normal parents, the chance of a male child becoming colour blind are
4 years ago
Forum
Biology
Replies: 0
Views: 100
Topic
A woman with albinic father marries an albinic man. The proportion of her progeny is
4 years ago
Forum
Biology
Replies: 0
Views: 81
Topic
How would the tendency to gain electrons change on moving from left to right in a period of the periodic table?
4 years ago
Forum
Periodic Classification Of Elements
Replies: 0
Views: 285
Topic
Given alongside is a part of the periodic table: As we move horizontally from left to right: (i) What happens to the metallic character of the elements? (ii) What happens to the atomic size? Li Be B C N O F Na Mg Al Si P S Cl
4 years ago
Forum
Periodic Classification Of Elements
Replies: 0
Views: 109
Topic
A part of the early classification of elements has been given below: H Li Be B C N O F Na Mg Al Si P S (a) Which law of classification of elements is illustrated by the above arrangement of elements?
4 years ago
Forum
Periodic Classification Of Elements
Replies: 0
Views: 246
Topic
Mendeleev predicted the existence of certain elements not known at that time and named two of them as eka-aluminium, and eka-silicon. (a) Name the element which has taken the place of (i) eka-aluminium, and (ii) eka-silicon
4 years ago
Forum
Periodic Classification Of Elements
Replies: 0
Views: 121
Topic
Consider the following elements: Ca, Cl, Na, I, Li, Ba, Sr, K, Br Separate these elements into three groups (families) of similar properties. State one property in each case on the basis of which you have made your choice.
4 years ago
Forum
Periodic Classification Of Elements
Replies: 0
Views: 145
Topic
Which element has: (a) two shells, both of which are completely filled with electrons? (b) the electronic configuration 2, 8, 2? (c) a total of three shells, with four electrons in its valence shell?
4 years ago
Forum
Periodic Classification Of Elements
Replies: 0
Views: 82
Topic
Consider the following elements: Na, Ca, Al, K, Mg, Li (a) Which of these elements belong to the same period of the periodic table? (b) Which of these elements belong to the same group of the periodic table?
4 years ago
Forum
Periodic Classification Of Elements
Replies: 0
Views: 297
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