- Oxygen and Iron
- Oxygen and Copper
- Oxygen and Hydrogen
- Oxygen and Sulpher
- d
-
• Oxygen 65%
• Carbon 18.5%
• Hydrogen 10%
• Nitrogen 3.2%
• Calcium 1.5%
• Phosphorus 1.0%
• Potassium 0.4%
• Sulphur 0.3%
• Sodium 0.2%
• Chlorine 0.2%
• Magnesium 0.1%
• All Others <0.1%
All Posts Solved Papers
How many of the Bio-Elements constituent 99% of the total human body?
- 5
- 6
- 7
- 8
- b
-
Oxygen
Hydrogen
Carbon
Nitrogen
Calcium
Phosphorus
Keratin produced from:
- Enzymes
- Bones
- Bones
- None of these
-
Keratin is a type of protien that is found in hair, skin and nails.
Snake venom are:
- Toxins
- Enzymes
- Pigments
- Co-Enzymes
- b
-
Snake venom are complex mixture of enzymes, proteins, amines, lipids, nucleosides and carbohydrates.
Number of total estimated organisms species are:
- 05-20 Million
- 05-30 Million
- 05-40 Million
- 05-45 Million
- b
-
According to Robert May, number of total estimated organisms species are about 7 Million.
Water vascular system in echinoderms used for:
- Respiration
- Digestion
- Locomotion
- None of these
- a
-
Water Vascular system in echinoderms is also used for locomotion, food and waste transportation.
Endosperm is engiospermic monocot is formed by fusion of male gamete with…..
- Synergid
- Egg
- Secondary Nucleus
- None of these
- b
-
Its also called Double Fertilization or Triple Fusion.
Glycolysis is ……..
- Produced no ATP
- Take place in Cytoplasm
- Is the same as femebtation
- None of these
- b
-
Glycolysis is also known as EMP Pathway.
Membranes present around the embryo is……..
- Allantois
- Chorion
- Amnion
- None of these
- b
-
Chorion is also called Serosa.
In cockroach, respiratory system consist of branching system of air tubules called tracheae:
- Cuticle
- Chitin
- Cutin
- None of these
- d
-
Cockroach does not have lungs.
The respiratory system of Cockroach consist of Tubes, called Tracheae.
Trachea is dense network of air tube