Biological classification practice · Mixed difficulty

Study the following statements.

(I) Circular naked DNA is the genetic
material

(II) Membrane bound cell organelles are
present.

(III) Cell membrane infoldings called
mesosomes present.

(IV) Nuclear membrane absent.

Arrange the given organisms based on their
above respective characters and give the ratio.

(A) Bacillus $\quad$ (B) Nostoc $\quad$ (C) Noctiluca $\quad$ (D) Chlorella

(E) Rhodospirillum $\quad$ (F) Trichodesmium $\quad$ (G) Amoeba $\quad$ (H) Euglena

Who proposed two kingdom system of classification and named kingdoms as Plantae and Animalia?

Read the following features and identify the organism on these basis.
A. Flagellum is absent
B. Has chlorophyll a
C. Possess rigid cell wall
D. Fixes atmospheric nitrogen as well as carbon dioxide

Animal cells do not have

Plants have a/an…… in their life cycle

Consider the following statements correct with respect to characteristic features of the kingdom

Identify the incorrect one for neurospora

Osmoregulation in Paramecium is a function of

Which of the following is not matched correctly

Edible part of mushroom is

Viruses posses

Consider the following statements
I. In this group, the Plasmodium differentiates and forms fruiting bodies, bearing spores at their tips
II. Spores possess true walls
III. The spores are dispersed by air currents
IV. The spores are extremely resistant and survive for many years even under adverse conditions
The above statements are assigned to

The protein coat of virus is called?

In five kingdom classification, the eukaryotes were assigned under how many kingdoms?

Pasteurization is

Which one of the following organisms is scientifically incorrectly named and incorrectly described

In addition to absence of chlorophyll, what is the other difference between fungi and higher plants?

Which option shows incorrectly matched group?

A bacterium is capable of with standing extreme heat, dryness and toxic chemicals. This indicates that it is probably above to form

Assertion: Two kingdom classification was insufficient.

Reason: Majority of organisms failed to fall into either of the categories in two kingdom classification.

Among plants ‘pheromones’ are secreted by the cells of the following plants for given function

Which of the following statements are correct
in relation to host and parasites?

i) The host in which parasites undergoes
asexual reproduction is secondary host

ii) Female Culex mosquito is the primary host
for wuchereria

iii) In primary host parasite undergoes sexual
reproduction

iv) Man is the primary host for plasmodium

v) The host that loves the infective stages of a
parasite in its body when the main host is
not available is called Reservoir host.

Which of the following is not the locomotory organ of protozoa?

Which of the following is correct for dinoflagellates?

(a) Stiff hemicellulosic plates on the inner surface of cell wall

(b) Presence of flagella

(c) Produce diatomite

(d) Releases toxins

(e) Photosynthetic pigments are found

I. Commonly known as sac-fungi
II. Mycelium is branched and septate
III. Conidiophore produces conidia exogenously in chain
IV. The fructifications are edible and considered delicacies
V. Neurospora crassa is often employed in studies conducted in experimental genetics
The above statements are assigned to

Which is the correct sequence of the sexual cycle of fungi?

Term ‘virus’ means

During unfavourable conditions, slime mould forms …A… which are …B… and survive for many years
Identify A and B to complete the given statement

Mycorrhiza are mutualistic and have symbiotic associations between

Which of the following kingdoms have no well defined boundaries?