Zoology - Online Test
Q1. The first organisms were
Answer : Option D
Explaination / Solution:
The first organisms were chemo heterotrophs. This is because, oxygen was absent on previous earth when organisms have evolved. Chemo heterotrophs can obtain energy from chemicals like sulpher and phosphorus.
Q2. In MagniferaindicaLinn, ‘Linn’ denotes
Answer : Option D
Explaination / Solution:
In MangiferaindicaLinn, the word ‘Linn’ indicates that this species was first described by Linnaeus. Hence, the correct option is The name of the author who first described the species.
Q3. Muscles are attached to bones via :
Answer : Option A
Explaination / Solution:
Muscles are attached to bones by tendon and bones are attached with another bone by ligaments. Tendon and ligaments are types of connective tissue.
Q4. Cry I Ab controls
Answer : Option D
Explaination / Solution:
The Bt toxin is encoded by the cry gene. The cry I AC and cry II Ab control cotton boll worms, while the cry I Ab controls corn borer. Bt gene produces Bt toxin. This toxin provides resistance to plants against lepidopteron, coleopteron and dipterans pests.
Q5. Introduction of sex education in schools should be encouraged to
Answer : Option C
Explaination / Solution:
Sex education in schools should be encouraged to provide right information to young and to discourage children from believing in myths and misconceptions about sex related aspects.
Q6. Disease or infections which are transmitted through sexual intercourse are collectively called
Answer : Option B
Explaination / Solution:
Venereal Diseases (VD) also referred to as Sexually transmitted infections (STI) and sexually transmitted diseases (STD) are infections that are commonly spread by sex, especially vaginal intercourse, anal sex or oral sex. Most STIs initially do not cause symptoms.
Q7. Tendons connect
Answer : Option A
Explaination / Solution:
Tendons are dense connective tissue which provide strength and attach muscles to bones.
Q8. In five kingdom of classification, the kingdom Plantae are autotrophic, eukaryotic and
Answer : Option D
Explaination / Solution:
The Kingdom plantae includes all types of eukaryotic, multicellular, photosynthetic plants found in this biosphere. Most of the organism in this kingdom is autotrophs, which synthesis their own food with the help of solar energy.
Q9. Process of parturition is facilitated by :
Answer : Option C
Explaination / Solution:
The process of parturition begins after completion of gestation period. The muscles present in uterus start contracting due to release of hormone relaxin and Oxytocin.
Q10. CAM is a special photosynthetic pathway found to be present as adaptation within:
Answer : Option C
Explaination / Solution:
Crassulacean acid metabolism photosynthesis pathway is present as adaptation in xerophytes in which stomata opens during night to prevents loss of water by transpiration.
