- Arrays
- Groups
- Clusters
- Gangs
- c
2025
All Solved Current and Past Papers of 2025 are included in this section of ETEST Academy’s Website. All MCQs of Year 2025 are solved with short detailed answers. ETEST Academy updates this portion of Past Papers 2025 on daily basis.
To work out empirical formula, we calculate the percentage of elements from their masses, this step is termed as:
- Element detection
- Estimation
- Getting simple ratio
- Division of smallest quotient
- b
In irreversible reactions, the reactions go to completion, until one of the reactant consumed entirely and reaction stop is called as:
- Limiting Reactant
- Excess Reactant
- Excess Reactant
- None of these
- a
Internal area of an alveolus is provided with a thin layer of fluid containing ____
- Pleural fluid
- Surfactant
- Oxygen
- Mycous
- b
The total aggregate of genes in a population at any one time is called:
- Allele
- Inheritance
- Trait
- Gene Pool
- d
Sub-stage of first mitotic division in which the disappearance of the nuclear membrane, nucleolus and completion of spindle apparatus takes place is termed as:
- Leptotene
- Zygotene
- Diakinesis
- Pachytene
- c
-
Diakinesis is the final sub stage of Prophase in Mitosis.
The stage of mitosis in which the nuclear envelop is reestablished and the mitotis apparatus disassembled is known as:
- Prophase
- Metaphase
- Anaphase
- Telophase
- d
-
Telophase is final stage of Mitosis.
Sexually transmitted disease caused by bacterium “Treponema pallidum”, which affects nervous and skeletal system is known as:
- Gonorrhea
- AIDS
- Syphilis
- Genital herpes
- c
-
Syphilis is caused by the bacterium Treponema pallidum.
Pharynx leads air into larynx through an opening is called:
- Glottis
- Epiglottis
- Trachea
- Bronchi
- a
-
Pharynx is also known as Throat.
Larynx is also known as Voice Box.
A special type of invaginated respiratory system called tracheal system, is present in ____
- Hydra
- Earthworm
- Cockroach
- Fish
- c
-
Invaginated Respiratory System is insect’s respiratory system.