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Browse complete papersIn humans, the timings and amount of hormones released are regulated by ______.
a feedback mechanism
the nervous system
a stimulus
walking
Correct answer
a feedback mechanism
Gold is the most ______ metal.
combustible
reactive
hard
ductile
Correct answer
combustible
An active immune system recruits many cells to the affected tissue to kill off the disease-causing microbe. This process is called _____.
contamination
inflammation
immunization
fighting
Correct answer
contamination
Which of the following pairs is INCORRECTLY matched?
Geotropism - Gravity
Hydrotropism - Water
Thigmotropism - Chemical
Phototropism - Light
Correct answer
Geotropism - Gravity
The transport system of plants depends majorly on the two tissues _____ and _______.
phloem, collenchyma
xylem, parenchyma
leaf, roots
xylem, phloem
Correct answer
phloem, collenchyma
In December 2017, the government of India launched the 'Ganga Gram' project. Which of the following statements best describes this project?
It is a nation-wide Ganga conservation mission
The objective of the project is to achieve a clean and open defacation free India
The project involves cleaning of the river Ganga
The objective of the project is sanitation-based integrated development of all the villages along the river Ganga
Correct answer
It is a nation-wide Ganga conservation mission
Which of the following pairs is INCORRECTLY matched?
Typhoid - Bacteria
Antibiotic - Penicillin
Malaria - Protozoan
Disease - Strong immune system
Correct answer
Typhoid - Bacteria
Acids are NOT ______.
electrolytes
soapy to touch
commonly used
sour to taste
Correct answer
electrolytes
The working of a hair dryer is based on _______.
conductors
Ohm's law
electricity
Joule's law of heating
Correct answer
conductors
Kilowatt hour is the _____ of electric energy.
current
SI unit
resistance
commercial unit
Correct answer
current