SciStratum

Q:- On crossing red-flowered and white-flowered plants, the ratio of red and white-flowered offspring in the F₂ generation is 60:20. If a heterozygous red-flowered plant is self-pollinated, what will be the phenotypic ratio of the offspring?

2 weeks ago | [YT] | 3

SciStratum

2 weeks ago | [YT] | 2

SciStratum

Question: Which of the following carbocations is the most stable?

A) CH₃⁺
B) CH₃CH₂⁺
C) (CH₃)₂CH⁺
D) (CH₃)₃C⁺

3 weeks ago | [YT] | 4

SciStratum

Q:-A fixed, uniformly charged insulating sphere of radius R and total charge +Q is given. A point charge −q (where q ≪ Q), having mass m, is released from rest at a distance of 3R from the centre of the sphere. When the point charge reaches the surface of the sphere, its speed is:

Neglect gravitational forces.

3 weeks ago | [YT] | 5

SciStratum

The standard electrode potentials of Zn, Ag and Cu are −0.76 V, +0.80 V and +0.34 V, respectively. Then?

1 month ago | [YT] | 5

SciStratum

Question: In a Daniell cell, which of the following is correct?

1 month ago | [YT] | 4

SciStratum

Q:- Which of the following is an example of a communicable disease?

1 month ago | [YT] | 5

SciStratum

Q. Which of the following correctly represents the pathway of blood from the right ventricle to the lungs?
A) Right ventricle → Aorta → Lungs
B) Right ventricle → Pulmonary artery → Lungs
C) Right ventricle → Pulmonary vein → Lungs
D) Right ventricle → Vena cava → Lungs

1 month ago | [YT] | 4

SciStratum

Q:- Which of the following can give chromyl chloride test?

1 month ago | [YT] | 5

SciStratum

Q:- CO₂ and SO₂ can be distinguished using:

1 month ago | [YT] | 5