A. Oxygen is stored
B. Food is stored
C. Sunlight is trapped
D. CO2 is stored.
Related Mcqs:
- Most cell membranes are composed principally of ?
A. DNA ad protein
B. Protein and Lipids
C. Protein and Chitin
D. Protein and RNA - Spherical or tubular membranes which separate the material present in endoplasmic reticulum from that of cytoplasmic material are called__________?
A. Cytosol
B. Cisternae
C. Polysomes
D. Cristae - Chlorophylls are found embedded in the __________ membranes?
A. Stroma
B. Grana
C. Thylakoid
D. Intergrana - In all plants the major sites of phosynthesis are___________?
A. Leaves respire and utilize O2 and release CO2.
B. Stems
C. Roots
D. Branches - The molecules of living matter that provide building blocks are mostly based on:
A. Carbon
B. Nitrogen
C. Hydrogen
D. Ammonia - Blood is carried towards the heart by __________?
A. Arteries
B. Capillaries
C. Veins
D. none of these - Co-enzyme is often formed from ?
A. lipid
B. protein
C. inorganic ion
D. vitamin - The number of species of organisms currently known to science is?
A. 3500000
B. 35000
C. 2500000
D. 25000000 - Pulling upward of water and dissolved minerals towards the leaves through the xylem tissue is called__________?
A. Transpiration pull
B. Root pressure
C. Ascent of sap.
D. All of these - Carcinogens is __________ types of chemicals.
A. Cancer causing
B. Pneumonia causing
C. Emphysema
D. AsthmaSubmitted by: Hamais Haider