Q. Which one of the following cell organelles is known as 'suicide bags' of a cell?
1) Lysosomes
2) Plastids
3) Endoplasmic reticulum
4) Mitochondria
Q. Magnification is -
1) actual size of specimen/ observed size
2) observed size of specimen/ actual size
3) actual size of specimen - observed size
4) actual size of specimen - observed size
Q. What is Inter-cropping?
1) It is the time period between two cropping seasons.
2) It is growing of two or more crops in random mixture
3) It is growing of two or more crops in definite row patterns
4) It is growing of different crops on a piece of land in a preplanned succession
Q. Which one of the following body parts/ organs of the human body does not have smooth muscles?
1) Ureters
2) Iris of eye
3) Bronchi of lungs
4) Biceps
Q. Which one of the following organisms is responsible for sleeping sickenss?
1) Leishmania
2) Trypanosoma
3) Ascaris
4) Helicobacter
Q. Marsilea, Fern and Horse-tail are examples of which one of the following plant groups?
1) Pteridophyta
2) Bryophyta
3) Gymnosperms
4) Angiosperms
Q. Which one of the following is not found in animal cells?
1) Free ribosomes
2) Mitochondria
3) Nucleolus
4) Cell wall
Q. Which one of the following acids is also known as Vitamin C?
1) Methanoic acid
2) Ascorbic acid
3) Lactic acid
4) Tartaric acid
Q. Consider the following statement :
Atomic number of an element is a more fundamental property than its atomic mass. Who among the following scientists has made the above statement?
1) Dmitri Mendeleev
2) Henry Moseley
3) J.J. Thomson
4) Ernest Rutherford
Q. Employing Chromatography, one cannot separate -
1) radio-isotopes
2) colours from a dye
3) pigments from a natural colour
4) drugs from blood
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