301. Types of vertebrate animals which creep and crawl are called –

1. Mammalians
2. Amphibians
3. Molluscs
4. Reptilians

Option “4” is correct
Reptilians are the vertebrate animals which creep and crawl. Examples of organisms belonging to this class Chelone (Turtle), Chameleon (Tree lizard).
302. The human heart is enclosed in the membrane –

1. Pericardium
2. Pleura
3. Duramater
4. Conjunctive

Option “1” is correct
Pericardium is the membrane enclosing the heart, consisting of an outer fibrous layer and an inner double layer of serous membrane.
303. Bile is stored in the –

1. Gall bladder
2. Duodenum
3. Liver
4. Spleen

Option “1” is correct
Bile is stored in the Gall bladder.
304. Which of the following is not a gland?

1. Thyroid
2. Stomach
3. Pituitary gland
4. Pancreas

Option “2” is correct
Stomach is not a gland.
305. Plasma membrane in cells is made up of –

1. Phospholipid
2. Lipoprotein
3. Phospholipo-protein
4. Phospho-protein

Option “1” is correct
All cells are surrounded by a plasma membrane. The membrane is composed of a phospholipid bilayer arranged back-to-back. The membrane is also covered in places with cholesterol molecules and proteins.
306. The term ‘Rh factor’ refers to –

1. Rhesus factor
2. Rheumatoid factor
3. Renal factor
4. Rhombic factor

Option “1” is correct
Rh factor’ refers to Rhesus (Rh) factor .The commonly used terms Rh factor are Rh positive and Rh negative.
307. Lichen that grow on bark are said to be –

1. Xylophilous
2. Saxicolous
3. Coprophilous
4. Corticolous

Option “4” is correct
A Corticolous lichen is a lichen that grows on bark.
308. The first formed primary xylem elements are called ___________.

1. Metaxylem
2. Protoxylem
3. Xylem fibres
4. Xylem parenchyma

Option “2” is correct
The first formed primary xylem elements are called Protoxylem.
309. Nereis, Pheretima (Earthworm) and Hirudinaria (blood sucking leech) are examples of which Phylum?

1. Coelenterata
2. Aschelminthes
3. Annelida
4. Arthropoda

Option “3” is correct
Nereis, Pheretima (Earthworm) and Hirudinaria (blood sucking leech) are examples of Annelida.
310. In the names Mangifera indica (mango), Solanum tuberosum (potato) and Panthera leo (lion), what does the three names, indica, tuberosum and leo, represent?

1. Binomial Nomenclature
2. Taxonomic Hierarchy
3. Identification
4. Specific Epithet

Option “4” is correct
In the names Mangifera indica (mango), Solanum tuberosum (potato) and Panthera leo(lion), the three names indica, tuberosum and leo, represent the specific epithet respectively.
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