Plant Water Relation — BIOLOGY STD 12 Science — Question

Answer the following questions:
Over the years, it has been observed that some of the lakes are disappearing due to urbanisation. In absence of human interference, depict by making a flow chart, how do the successional series progress from hydric to mesic condition.

Mark the odd one in the following group.
Cu 7, CUT, LNG-20, Multiload.

Which of Mendel's Law of Inheritance is universally acceptable and without exception? State the law.

Algae used for the production of SCR

In which region of chromosomes does crossing over take place?

Name a recombinant vaccine that is currently being used in vaccination program.

Which one of the following statements is true of Cucurbits?

1. It is monoecious producing both staminate and pistillate flowers in the same plant.
2. It is monoecious producing staminate and pistillate flowers in two different plants.
3. It is dioecious producing staminate flowers in one plant and pistillate flowers in another.

How many national parks and sanctuaries are present in Maharashtra?

When did bryophytes appeared on the earth?

Autogamy/Self-pollination