Test: Diversity in Living Organisms- 2
25 Questions MCQ Test Science Class 9 | Test: Diversity in Living Organisms- 2
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A unit of protoplasm having a nucleus and covered by plasmalemma is called :-
Strasburger coined the terms cytoplasm and Nucleoplasm. Cytoplasm occurs around the Nucleus and inside the plasma membrane containing Various Organnels.
Which of the following is correct for prokaryotic ribosome :-
Golgi apparatus takes part in synthesis of :-
Cartilage matrix is digested during its osteogenesis through :-
Outer mitochondrial membrane resembles bacterial membrane and outer chloroplast membrane in having :-
Chromoplasts are formed from chloroplasts during :-
Experiments on Acetabularia by Hammerling proved the role of :-
In which organism flame cells form the excretory system?
A flame cell is a specialized excretory cell found in the simplest freshwater invertebrates, including flatworms, rotifers and nemerteans; these are the simplest animals to have a dedicated excretory system. Flame cells function like a kidney, removing waste materials. Bundles of flame cells are called protonephridia.
The nucleus is a small, dense and spherical structure present in the nucleus of the cell that is visible during the interphase of the cell division under the microscope.
The term Nucleolus was coined by Bowman but first described by Fontana in the year 1781.
So, the correct answer is Bowman.
Which of the following phenomena is commonly referred as 'cell drinking' ?
Cell organelle having a cartwheel constitution is :-
Chromatin material which remains condensed during interphase is called:-
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