please answer this question
subject biology
Answers
☆Answer:-
1) Choose the appropriate word.
a) The cell wall is made up of
□ Proteins ▣ Cellulose □ Vitamin
b) Which of the following holds hereditary characters in an organisms
▣ Nucleus □ Chloroplast □ Ribosome
c) Which of the following helps in cell division
□ Ribosome □ Lysosome ▣ Centrosome
d) The foldings of the inner membrane of a mitochondria are called
□ Cisterna ▣ Cristae □ Vesicles
e) Which of the following organelles is called the "suicide bag" of the cell
▣ Lysosome □ Ribosome □ Nucleus
f) The green pigment is present in
□ Chromoplast ▣ Chloroplast □ Leucoplast
g) The process of taking in food through mouth is called
□ Digestion □ Absorption ▣ Ingestion
h) Digestion begins in the
□ Oesophagus ▣ Mouth □ Stomach
i) The fluid produced in stomach is called
▣ Gastric juice □ Bile juice □ Saliva
j) Food is absorbed in the
□ Mouth □ Large intestine ▣ Small intestine
2) Write true or false.
a) The process of taking in food is called assimilation.
Answer:- False
Reason:- The process of taking food in is called ingestion.
b) Saliva contains lipase which digest carbohydrates.
Answer:- False
Reason:- Saliva contains salivary amylase which digest carbohydrates.
c) Stomach walls produces an acid and enzymes which helps to digest carbohydrates.
Answer:- True
d) The pancreas secretes bile juice.
Answer:- False
Reason:- The pancreas secretes pancreatic juice.
e) Water is absorbed in the large intestine.
Answer:- True
f) The size of a cell is usually in centimetres.
Answer:- False
Reason:- The size of a cell is usually in micrometres.
g) The nucleus membrane encloses a colourless, dense fluid is called nucleoplasm.
Answer:- True.
h) Golgi bodies form an network of tubes which run throughout the cytoplasm.
Answer:- True.
i) Chromoplast are the kitchen of the cell.
Answer:- True.
j) Vacuoles are filled with the fluid called nucleoplasm.
Answer:- False.
Reason:- Vacuoles are filled with the fluid called cell sap.