1. Direct NaCl molecule can be formed
2. No direct NaCl molecule can be formed
3. Elevtronegativity of chlorine atom is 3.1 is higher than that of a sodium atom(0.9)
4. NaCl is electrically neutral
No direct NaCl molecule can be formed
1. Na+ ions help in retention of water in body tissues
2. NaCl is involved in supply of energy
3. NaCl furnishes most of cell fuel
4. Na+ impairs nerve impulses involved in transmission of pain sensation
Na+ ions help in retention of water in body tissues
1. Tiger – tigris, the species
2. Cuttlefish – Mollusca, a class
3. Hums sans – primate, the family
4. Housefly – Musca, an order.
Tiger – tigris, the species
1. Reovirus
2. Adenovirus
3. Papovavirus
4. Parvovirus
Adenovirus
1. DsDNA
2. SsDNA
3. SsRNA
4. DsRNA
DsDNA
1. Botanical gardens have collection of living plants for reference
2. A museum has collection of photographs of plants and animals
3. key is taxonomic aid for identification of specimens.
4. herbarium houses dried pressed and preserved plant specimens.
A museum has collection of photographs of plants and animals
1. Phototropism
2. Cell division
3. Hibernation
4. Accommodation
Cell division
1. Transformation
2. Conjugation
3. Translocation
4. Transduction
Transduction
1. Office and defence
2. Concealment
3. Offence
4. Defence
Office and defence
1. Swimming
2. Flying
3. Climbing
4. Running
Flying