test for 10th class Scince

metal react with oxygen to form :-


all distance measured in the direction of _______ light are taken as postive.


the sun is _______ light years from galactic centre


In alcohol fermentation
oxygen is the electron acceptor
triose phosphate is the electron donor while acetaldehyde is the electron acceptor
triose phosphate is the electron donor while pyruvic acid is the electron acceptor
there is no electron donor
During anaerobic digestion of organic waste, such as in producing biogas, which one of the following is left undegraded?
Cellulose
Lipids
Lignin
Hemi-cellulose
How many ATP molecules are produced by aerobic oxidation of one molecule of glucose?
2
4
38
34
Which one of the following is the correct matching of a vitamin, its nature and its deficiency disease?
Vitamin A – Fat –soluble – Night blindness
Vitamin K – Fat – Soluble – Beri - beri
Vitamin A – Fat – soluble – Beri – beri
Vitamin K – Water – soluble – Pellagra
The richest sources of vitamin B12 are
Goat’s liver and Spirulina
Chocolate and green gram
Rice and hen’s egg
Carrot and chicken’s breast
Angiotensinogen is a protein produced and secreted by
endothelial cells (cells 7 lining the blood vessels )
liver cells
juxtaglomerular (JG) cells
macula densa cells
Which one of the following pairs is not correctly matched?
Vitamin B12 - Pernicious anaemia
Vitamin B6 - Loss of appetite
Vitamin B1 - Beri- beri
Vitamin B2 - Pellagra
The final product formed when acetaldehyde is reduced with sodium and alcohol is
Ethylene
Ethyl alcohol
Ethene
All of these
You are given 2 lenses of focal length 5 cm, 25 cm to construct an astronomical telescope. Find the maximum length of the telescope
20 cm
15 cm
10 cm
30 cm,
The focal length of an eye lens changes to accommodate for clear vision of the objects from near and far point This is done by
Optic nerve
Iris
Ciliary’s muscles
Retinal
A simple microscope consists of
Convex lens of large focal length
Convex lens of small focal length
Concave lens of large focal length
Concave lens of small focal length
In compound microscope the final image is
Real, erect and diminished
Real , inverted, magnified
Virtual, erect, diminished
Virtual, inverted and magnified
In an astronomical telescope , the final image is
Real and erect
Real and inverted
Virtual and erect
Virtual and inverted
The continuance of an impression of an object on the eye even if the object is taken way from the eyes is known as
Persistence of vision
Accommodation power
LDDV
None of the above
Which of the following is correct for the total number of elements (N) for a given value (n) of quantum number?
For n =2, N =15
For n =3,N =25
For n =4, N =60
For n =5, N =100
According to Moseley’s law, the frequency (v) of characteristic X-ray spectral line is
Directly proportional to the atomic number of target element
Inversely proportional to the atomic number of target element
Directly proportional to the square of the atomic number of target element
Directly proportional to the square root of the atomic number of target element
Who among the following considered that, when monochromatic X-rays impinge upon the atoms in a crystal lattice, each atom acts as a source of scattered radiation of the same wavelength?
W.H. Bragg
W.L. Bragg
A. Einstein
Collins and Reiling



Description:

it help for revise the syallabus of 10 th class.you can prepare by giving this question it help to remind your old syllabus.it is special designed by me
best of luck students.
aaaaaaaaaaaaaaaaaaaaalllllllllllllllllllll ttttttttttttttthhhhhheeeeeeeeee bbbbeeesssstttttttt.

Tags:

Science

Discussion

kavita

ya its true!some of the ques are high leveled comparision to 10 class...:)


4011 days 7 hours 22 minutes ago

Yash M

most of the question were above 10th level

4117 days 29 minutes ago

16 Followers
Tests: 2

Your Facebook Friends on WizIQ

More Tests By Author

mental ability test
10 Questions | 6479 Attempts