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Basics of Biology MCQs Practice Test #1 | General Science quiz

✍️ Prakash Joshi 📅 August 27, 20216,677 views 📝 Attempts: 43 📥 Download PDF
          

This series includes Multiple choice questions from basic biology that is helpful for competitive as well as in school exams. Such questions also may be asked in any quiz competitions, University entrance exams, viva tests, competitive exams like in DSSSB, SSC as a part of general awareness and everyday science. In each test, we are adding up to 30 questions so that we can easily revise all questions. 

Check out these books for References
Biology Examination Guide (with MCQs) 
MCQs In Medical Laboratory Technology And Molecular Biology
Super Simple Biology: The Ultimate Bitesize Study Guide 
Cambridge IGCSE Biology Study and Revision Guide 2nd edition (Myp by Concept)

 
        
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Questions

Q1. The red colour of the red sea is because of-
Trichodesmium erithraeum is a species of cyanobacteria that are  Blue-green Algae also called sea sawdust. The red colour predominates due to the excess of C-Phycoerythrin in these algae.
Q2. The age of the tree can be calculated by-
Annual rings shows the amount of wood produced during one season. Each year the trees produce new cells and arranged in concentric circles called as annual ring or growth rings. by counting these circles/ rings we can calculate the average age of a tree.
Q3. Thrombosis is a disease of the-
Thrombosis of a disease of blood coagulation forms blood clots and blocks veins or arteries. 
Q4. Which is collip's hormone?
The hormone released from the parathyroid gland is called parathormone, parathyroid hormone (PTH), or hypercalcemic hormone. It is discovered by Philips Collip, hence called Collip's hormone. parathormone helps to maintain blood calcium levels along with calcitonin hormone.
Q5. Stomata are bound by a pair of guard cells. Stomata close when guard cells become-
Stomata control the exchange of gases in leaves and also controls the loss and absorption of water. closing and opening of stomata depend on the action of guard cells. In light guard, cells absorb water, become turgid and the stoma opens. In the dark, the guard cells lose water, become flaccid and the stoma closes.
Q6. Which of the following can be used for the biological control of musquitoes?
Gambusia is a species of freshwater fish used for the biological control of muscquitoes.  Gambusia is also named mosquitofish because the fish eats mosquito larvae.
Q7. Disease transmitted by the head louse is-
Head louse is a wingless insect, an obligate ectoparasite of humans that depends on whole life in the human scalp. It spreads skin diseases and is also known to spread typhoid fever.
Q8. The <b>universal recipient </b>belongs to the blood group
Blood group AB is the universal recipient for blood. while blood group O is the universal donor.
Q9. The science dealing with the fossil plants-
Q10. The organism that lives at the cost of another living organism is called-
Parasites are organisms that feed on the food produced by the host and also feed on the host itself. i.e hookworm, tapeworm, helminths which feed on the intestine of animals or humans.

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