Q. Which one of the following cell organelles may play a role in expelling excess water and wastes in case of unicellular organisms?
1) Lysosome
2) Vacuole
3) Golgi body
4) Endoplasmic reticulum
Q. Which one of the following statements is correct about effects of antibiotics on viruses?
1) Viruses are 'non-living' entities but it can interact with antibiotics
2) Taking antibiotics cures viral infections
3) Viruses do not possess metabolic pathways on which antibiotics can function, whereas bacteria have such pathways
4) Viruses are resistant to antibiotics
Q. Which one of the following is not a component of human male reproductive system?
1) Cervix
2) Urethra
3) Seminal vesicle
4) Vas deferens
Q. In prokaryotic organisms, nuclear region is not surrounded by a membrane. This undefined nuclear region is known as -
1) Nucleic acid
2) Nucleoid
3) Nucleolus
4) Nucleosome
Q. Which one of the following plant tissues has dead cells?
1) Epidermis
2) Parenchyma
3) Collenchyma
4) Sclerenchyma
Q. Cartilage is not found in -
1) larynx
2) nose
3) ear
4) urinary bladder
Q. The part of the human eye on which the image is formed is -
1) pupil
2) cornea
3) retina
4) iris
Q. Fatigue is caused because of formation and depositing of which among the following acids in Muscles?
1) Lactic Acid
2) Acetic acid
3) Citric Acid
4) Pyruvic acid
Q. What is the use of Radiotherapy for the treatment of Cancer?
1) It destroys the tumour by destroying the Cell membranes of the Cancerous Cells
2) It destroys the tumour by destroying the DNA of the Cancerous Cells
3) It destroys the tumour by destroying the Cytoplasm of the Cancerous Cells
4) It destroys the tumour by destroying the spindle fibres which are used in Cell Division
Q. Consider the following -
1. Charas
2. Ganja
3. Opium
Which of the above is/ are obtained from Cannabis plant?
1) 1 and 2 Only
2) 3 Only
3) 2 and 3 Only
4) 1, 2 and 3
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