Multiple Choice Questions

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Thromboplastin required for blood clotting is secreted by

  • Erythrocytes

  • Platelets

  • Monocytes

  • Lymphocytes


B.

Platelets

Damaged platelets secrete thromboplastin or thrombokinase for clotting the blood.


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Entamoeba histolytica cause which of the following disease?

  • Malaria

  • Dysentery

  • Typhoid

  • Jaundice


Disease-causing agent is known as

  • Secretin

  • Prolactin

  • Amylase

  • Pathogen


In the food chain herbivores are

  • primary producers

  • primary consumers

  • secondary consumers

  • decomposers


The symbiotic association of algae and fungi is

  • funaria

  • lichen

  • Marchantia

  • riccia


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The objective of microteaching is

  • teaching by using a microphone for the benefit of deaf students

  • to analyse the performance of trainee teacher and suggest feedback

  • teaching lessons in micro-parts for better understanding

  • micro-manage of students behaviour


A successful Science teacher is one who

  • neglects the weaknesses of students

  • develops inherent capabilities of students

  • behaves over-friendly in the class

  • punishes students to correct their mistakes


While Science teaching many aspects of living things can be seen. One aspect is done at the molecular level. It will be the base of the description of life

  • Newton's law

  • physical description of the speed of the planet

  • interaction of material energy

  • relation of the speed of planet


Underground animals to be protected in

  • Terrarium

  • Vivarium

  • Aquarium

  • Zoo


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Two magnetic lines of force

  • intersect at the neutral point

  • intersect near North or South pole

  • cannot intersect at all

  • intersect according to the position of magnet