Questions
Which mode of nutrition is found in houseflies?
- Autotrophic
- Saprophytic
- Holozoic
- Parasitism
- None of the above
Where does the the major part of digestion take place?
- Stomach
- Duodenum
- Jejunum
- Ileum
- Oesophagus
Which organ or gland helps in neutralising the stomach acid in digested food?
- Small intestine
- Large intestine
- Liver
- Pancreas
- Gall bladder
Through which sphincter or valve does food exit the stomach during the process of digestion?
- Upper esophageal sphincter
- Lower esophageal sphincter
- Pyloric sphincter
- Internal sphincter
- External sphincter
Which of the following facts about the lymphatic system is incorrect?
- Lymph is light yellow in colour.
- The lymphatic system aids the immune system.
- Its movement depends on the motions of the muscle and joint pumps.
- Like blood, it flows throughout the body in both directions.
- It returns proteins and fluids from circulation to tissues.
Which of the following functions does not happen in the stomach?
- Enzyme amylase acts on starch, and breaking it into maltose.
- Helps in breakdown of fibrous tissue.
- Kills bacteria.
- Enzyme pepsin breaks down protein.
- Churning the food.
In which part of the circulatory system does the exchange of materials between blood and cells occur?
- Aorta
- Pulmonary artery
- Capillaries
- Pulmonary vein
- Valves
Which vitamin protects the cell membrane?
- Vitamin B12
- Vitamin C
- Vitamin K
- Vitamin B1
- Vitamin E
Which part of the digestive system is not involved in the absorption of nutrients?
- Stomach
- Duodenum
- Jejunum
- Ileum
- Large intestine
Which of the following facts about RBC is false?
- It carries dissolved nutrients and hormones.
- It contains haemoglobin.
- With oxygen, it is bright red in colour.
- They are circular in shape.
- It does not have nucleus.
Which enzyme digests fat into fatty acids and glycerol?
- Trypsin
- Chymotrypsin
- Pepsin
- Lipase
- Ptyalin
In which part of the respiratory system does the exchange of gases (oxygen mixes with the blood and carbon dioxide exits from the blood) take place?
- Trachea
- Bronchi
- Bronchioles
- Alveoli
- Larynx
Which part of the plant transports food from its photosynthetic parts to the non-green parts?
- Xylem
- Phloem
- Cortex
- Stoma
- Thylakoid
Which of the following is/are not involved in the immune system?
- Platelets
- Plasma cells
- B lymphocytes
- T lymphocytes
- Lymph
After filtration in the Bowman's capsule, which of the following is/are reabsorbed from the initial filtrate?
- Glucose
- Amino acids
- Salts
- Water
- All of the above