Jamb Biology Questions - Thallophyta
Question 1:
Which of these is a direct photosynthetic product?
- A Glucose
- B Starch
- C Protein
- D Fats
- E Latex
Question 2:
One of the following statement is NOT true of spirogyra
- A It is a simple multicellular plant
- B During conjugation, its gametes, which are structurally and physiologically similar, fuses to form a zygote
- C It possesses spiral chloroplast which enables the plant to photosynthesize
- D Its cells are protected externally by layer of mucilage
- E There are pyrenoids along the chloroplast
Question 3:
A fresh Kolanut weighing 1g was put into salt solution. After 3 hour, the kolanut weighed 1.2g. This simple experiment demonstration that
- A The salt solution is more concentrated that the cell sap of the kolanut
- B The cell sap of the kolanut is more concentrated than the salt solution
- C The salt solution has the same concentration as the cell sap of the kolanut
- D Kolanut cell can multiply in water
- E The kolanut lost some water molecules to the salt solution
Question 4:
Spirogyra reproduces vegetatively by
- A Spore production
- B Fragmentation
- C Multiple fission
- D Budding
- E Binary fission
Question 5:
Spirogyra and mucor can be grouped together as Thallophyta because
- A They are unicellular organisms
- B Their spores could be dispersed by wind
- C They are capable of living independent lives
- D They reproduce sexually only
- E Their bodies are made up of thallus and filaments alternatively