π§«
Biotechnology and its Applications MCQs
Class XII Biology
β’
NCERT Based
β’
NEET Practice
π Concept Based
π Exam Level
π€ AI Explanations
This page score: 0/40
494 questions in this chapter
Question 301 of 494
π CLASS XII
In the context of agriculture, one option for increasing food production is ________ agriculture, which relies on the use of agro-chemicals.
Agro-chemical based agriculture is one option for increasing food production.
Question 302 of 494
π CLASS XII
The meristem (apical and axillary) is typically free of the virus, allowing for the ________ of healthy plants from diseased ones.
The culture of meristem leads to the recovery of healthy plants.
Question 303 of 494
π CLASS XII
Genetic modification has enhanced the nutritional value of food, such as golden rice, which is enriched with ________.
Golden rice is Vitamin βAβ enriched rice.
Question 304 of 494
π CLASS XII
The specific Bt toxin genes that control cotton bollworms are cryIAc and ________.
The proteins encoded by cryIAc and cryIIAb control cotton bollworms.
Question 305 of 494
π CLASS XII
The nematode that infects the roots of tobacco plants and reduces yield is ________ incognitia.
The nematode is Meloidegyne incognitia.
Question 306 of 494
π CLASS XII
In the first clinical gene therapy for ADA deficiency, lymphocytes were grown in a culture ________ the body.
Lymphocytes were grown in a culture outside the body (in vitro).
Question 307 of 494
π CLASS XII
The use of transgenic animals to study human diseases makes investigation of new ________ possible.
Transgenic models make investigation of new treatments for diseases possible.
Question 308 of 494
π CLASS XII
Transgenic models exist for the neurological disease ________.
Alzheimerβs is listed as a disease for which transgenic models exist.
Question 309 of 494
π CLASS XII
The ethical issue of patents being granted for products using genetic materials developed by indigenous people is fueled by growing public ________.
There is growing public anger regarding such patents.
Question 310 of 494
π CLASS XII
Traditional knowledge related to bio-resources can save ________ and effort during commercialisation.
Traditional knowledge saves time, effort and expenditure.