Biology · Science General
Diversity in Living Organisms
3,829 Questions
The diversity in living organisms deals with the classification of life forms into various kingdoms and phyla. This topic covers specific traits of bacteria, animal body cavities, and structural adaptations for survival. These fundamentals are crucial for biology sections in medical entrance and state board exams.
Animal phyla characteristicsBacteria and flagellaBiological adaptationsKingdom Animalia classificationBody cavity typesExtinct organism subphylaJawless animals identification
Diversity in Living Organisms Questions
Match the following:
| |
|
| a. Prokaryotic cells |
1. are the cells having nuclear material enclosed by a nuclear membrane |
| b. Prokaryotes |
2. are the organisms, whose cells possess a nucleus bound by a nuclear membrane |
| c. Eukaryotic cells |
3. are the cells, which have nuclear material without a nuclear membrane around it |
| d. Eukaryotes |
4. are the simple organisms, whose cells do not possess a nucleus bound by a nuclear membrane |
-
a - 3, b - 4, c - 2, d - 1
-
a - 3, b - 4, c - 1, d - 2
-
a - 4, b - 3, c - 1, d - 2
-
a - 2, b - 4, c - 1, d - 3
-
a - 3, b - 1, c - 4, d - 2
B
Correct answer
Explanation
This is the correct option. Prokaryotic cells are the cells, which have nuclear material without a nuclear membrane around it. Prokaryotes are simple organisms, whose cells do not possess a nucleus bound by a nuclear membrane. Eukaryotic cells are the cells having nuclear material enclosed by a nuclear membrane. Eukaryotes are organisms, whose cells possess a nucleus bound by a nuclear membrane.
-
Flatworm
-
Coral
-
Echinoderm
-
Ceolentrate
C
Correct answer
Explanation
In echinoderms, the process of fragmentation is usually known as fissiparity.
-
Amoeba
-
Euglena
-
Giardia
-
Noctiluca
C
Correct answer
Explanation
Giardia parasites live in the intestines of people and animals. Giardia is a microscopic parasite that causes giardiasis.
-
15,000 species
-
9,000 species
-
60,000 species
-
9,00,000 species
B
Correct answer
Explanation
Phylum Annelida includes over 9,000 species.
-
Euglena
-
Amoeba
-
Monocystis
-
Giardia
A
Correct answer
Explanation
Nutrition in Euglena is holophytic. Euglena use their chloroplasts to produce nutrients through photosynthesis.
-
protozoa
-
porifera
-
cnidaria
-
ctenophora
B
Correct answer
Explanation
Poterion is an example of porifera.
-
Limulus
-
Buthus
-
Daphnia
-
Sea urchin
D
Correct answer
Explanation
Sea urchin has its mouth on the lower side and anus on the upper side.
C
Correct answer
Explanation
The number of digits in the limb used for walking by reptiles are 5.
-
Obelia
-
Jellyfish
-
Sea anemone
-
Beroe
D
Correct answer
Explanation
Beroe belongs to phylum Ctenophora.
-
some annelids
-
nematodes
-
Both 1 and 2
-
None of these
-
NA
C
Correct answer
Explanation
Gynogenesis is a type of parthenogensis in which the sperm stimulates the egg cell to develop into an embryo, but no male inheritance is transmitted.
-
spiral
-
rotational
-
radial
-
biradial
-
NA
C
Correct answer
Explanation
It is the correct answer.
-
Reproduction
-
Encapsulation
-
Nourishment
-
Immunomodulation
D
Correct answer
Explanation
Helminths are able to survive in their mammalian hosts for many years due to immunomodulation.
-
Cellular level of organisation
-
Presence of digestive cavity
-
Presence of choanocytes
-
Presence of canal system
-
Presence of amphiblastula larva
B
Correct answer
Explanation
Sponges do not have nervous, digestive or circulatory systems.
-
Hydra, Obelia and Aurelia
-
Obelia, Aurelia and Pennatula
-
Physalia, Aurelia and Pennatula
-
Obelia, Physalia and Hydra
-
Hydra, Pelagia and Adamsia
D
Correct answer
Explanation
Correct answer. Obelia, Physalia and Hydra: All are members of class Hydrazoa of phylumn Coelentrata.
-
Pheretima, Lumbricus, Tubifex
-
Nereis, Aphrodite, Chaetopteus
-
Hirudinaria, Pontobdella, Pheretima
-
Lumbricus, Aphrodite, Pontobdella
-
Tubifex, Nereis, Hirudinaria
A
Correct answer
Explanation
Correct answer.
Pheretima, Lumbricus, Tubifex: All are members of class Oligochaeta of phylum Annelida.