Quiz # 23

ATTEMPT IN HINDI

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#1 The arrangement of leaves on an axis or stem is calle

The arrangement of leaves on a stem is known as phyllotaxy; leaves can be classified as either alternate, spiral, opposite, or whorled. Plants with alternate and spiral leaf arrangements have only one leaf per node.

#2 The study of Cells is also known as

Cell biology. Cell biology (also called cytology, from the Greek κύτος, kytos, “vessel”) is a branch of biology that studies the structure and function of the cell, which is the basic unit of life.

#3 Which compound is used in Anti-malarial drug?

Chloroquine/proguanil or sulfa drug-pyrimethamine combinations should be used in all other plasmodia infections. The major commercial manufacturer of mefloquine-based malaria treatment is Roche Pharmaceuticals, which markets the drug under the trade name “Lariam”.

#4 Which of these is not a macronutrient for Plants?

In relatively large amounts, the soil supplies nitrogen, phosphorus, potassium, calcium, magnesium, and sulfur; these are often called the macronutrients. In relatively small amounts, the soil supplies iron, manganese, boron, molybdenum, copper, zinc, chlorine, and cobalt, the so-called micronutrients.

#5 Name the respiratory organs of insects

The respiratory organs of insects are the branched tubes called tracheae. These open to the outside through small-sized pores, called the spiracles.

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ATTEMPT IN HINDI
December 25, 2019

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