Please select a subject first
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The electron distribution in an aluminium atom is
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Write down the electron distribution of chlorine atom. How many electrons are there in the L shell? (Atomic number of chlorine is 17).
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The electronic configuration of silicon is ——— and that of sulphur is ———.
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Which of these is not related to endoplasmic reticulum?
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The undefined nuclear region of prokaryotes are also known as
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Name the organelles which show the analogy written as under
Storage sacs of the cell——
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How do substances like carbon dioxide (CO2) and water (H2O) move in and out of the cell?
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Draw a well labelled diagram of a eukaryotic nucleus. How is it different from nucleoid?
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Which muscles act involuntarily?
- Striated muscles
- Smooth muscles
- Cardiac muscles
- Skeletal muslces
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The muscular tissue which function throughout the life continuously without fatigue is
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Match the column (A) with the column (B)
| (A) | (B) | ||
| (a) | Fluid connective tissue | (i) | Subcutaneous layer |
| (b) | Filling of space inside the organs | (ii) | Cartilage |
| (c) | Striated muscle | (iii) | Skeletal muscle |
| (d) | Adipose tissue | (iv) | Areolar tissue |
| (e) | Surface of joints | (v) | Blood |
| (f) | Stratified squamous epithelium | (vi) | Skin |
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Differentiate between voluntary and involuntary muscles. Give one example of each type.
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Differentiate the following activities on the basis of voluntary (V) or involuntary (IV) muscles.
Writing with hand
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Differentiate the following activities on the basis of voluntary (V) or involuntary (IV) muscles.
Movement of chocolate in your intestine
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Lining of small intestine is made up of ______.
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Lining of kidney tubules is made up of ______.
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Cork cells possesses ______ on their walls that makes it impervious to gases and water.
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Cells of cork contain a chemical called ______
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