Biology Class 10th MCQs | 10th Class Biology Solved MCQs Online Test

10th Class Biology English Medium Online Test For Full Book

Sr. #	Questions	Answers Choice
1	Which gas is released by plants during cellular respiration, both day and night?	Oxygen Carbon dioxide Methane Hydrogen
2	During the daytime, plants primarily take in which gas from the atmosphere for photosynthesis?	Oxygen Nitrogen Carbon dioxide Water vapor
3	In old woody stems and roots, gaseous exchange occurs through specialized pores called:	Stomata Lenticels Root hairs Epidermis
4	Which structures are primarily responsible for gaseous exchange in the leaves of most plants?	Xylem Phloem Stomata Cuticle
5	In an arranged data the value lying in the middle is called:	Average Median Mode All of them
6	The points of attachment of genes on chromosomes are called.	Transcription Translation Loci Phenotype
7	Cytosine always makes pair with.	Guanine Hyydrogen Adenine thymine
8	Formation of messenger RNA from DNA is called.	Translocation Transcripton Tranduction Translation
9	In a nucleosome, DNA is wrapped around protein named.	Insulin Interferon Histone Haemoglobin
10	How many pairs of homologous chromosomes are present in human body cells.	22 23 24 25
11	Alternative forms of a gene are called.	Allele DNA Chromosome Gamete
12	The organisms expressed physical trait such as seed colour or pod shape is called.	Genotype Phenotype Karyotype Baby type