Tag: biology

Quizzes (1160) Questions (12174)

Questions Related to biology

Multiple choice biology diversity in living world characteristics of vertebrates classification of vertebrata classifications of chordata

Humans fall into which kingdom Animalia category?

  1. Hemichordata

  2. Mollusca

  3. Chordata

  4. None of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Humans are categorized as vertebrates in the phylum Chordata. The phylum Chordata contains all animals that possess, at some point during their lives, a hollow nerve cord, and a notochord, a flexible rod between the nerve cord and the digestive track. The phylum Chordata is an extremely diverse phylum and the one most recognizable to us. 

So, the correct answer is option C.

Multiple choice biology diversity in living world characteristics of vertebrates classification of vertebrata classifications of chordata

Pancreas is absent in

  1. Amphibia

  2. Osteichthyes

  3. Chondrichthyes

  4. Cyclostomata
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
A. Amphibians are the cold-blooded, freshwater vertebrates which can live both on land and in water.
B. Osteichthyes is the class of bony fishes which include lungfishes, ray-finned fishes and lobe-finned fishes.
C. Chondrichthyes is a class of Cartilaginous fishes which include sharks, rays and Chimaeras.
D. Cyclostomata is a class of round mouthed fishes under the superclass Agnatha which is known as Jawless vertebrates. The digestive system of Cyclostomata lacks stomach and pancreas.
So, the correct answer is 'Cyclostomata'.
Multiple choice biology plant kingdom and the environment around us some important plants uses of plants as medicine medicinal plants

Rauwolfia serpentina belongs to family

  1. Rubiaceae

  2. Solanaceae

  3. Malvaceae

  4. Apocyanaceae
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Rauwolfia serpentina (Indian snakeroot) belongs to the family Apocynaceae. The spelling in option D has a minor typo (Apocyanaceae instead of Apocynaceae) but is clearly the intended answer. This plant is the source of reserpine, an important alkaloid used for hypertension.

Multiple choice biology plant kingdom and the environment around us some important plants uses of plants as medicine medicinal plants

Charaka is usually known as the father of Indian medicine. However it is not generally known that he also tried to list the names of all animals and plants then known to science. How many animals did he list in this Cbaraka Samhita?

  1. 1,000

  2. 750

  3. 380

  4. 2,002
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Born in 300 BC Acharya Charak  was one of the principal contributors to the ancient art and science of Ayurveda, a system of medicine and lifestyle developed in Ancient India. Acharya Charak  has been crowned as the Father of Medicine. His renowned work, the “Charak Samhita“, is considered as an encyclopedia of Ayurveda. Also tried to list the names of all animals and plants are 380 number. So, the correct option is"C" (380).