Read the following statements regarding Ribulose bisphosphate carboxylase (RuBisCO) and choose the correct option.

Statement I: RuBisCO is the most abundant protein on Earth.

Statement II: It is an enzyme found primarily in the animal kingdom.

TLS Online TPP Program

#Question id: 40519

#Environmental Science

Identify correct statements about species concept:

1.Biological species concept uses reproductive isolation

2.Morphological species concept relies on appearance

3.All species concepts give identical results

4.Species are evolutionary units

TLS Online TPP Program

#Question id: 40520

#Environmental Science

Which statements about phylogenetic classification are correct?

1.Based on evolutionary history

2.Uses molecular data

3.Ignores morphology

4.Reflects common ancestry

TLS Online TPP Program

#Question id: 40521

#Environmental Science

ASSERTION–REASON

Assertion (A): Numerical taxonomy uses many observable characters.

Reason (R): It reduces subjectivity in classification.

TLS Online TPP Program

#Question id: 40522

#Environmental Science

ASSERTION–REASON

Assertion (A): Cytotaxonomy helps identify evolutionary relationships.

Reason (R): Chromosome number and structure vary among taxa.

TLS Online TPP Program

#Question id: 40523

#Environmental Science

Match the classification approach with its core principle

Column I	Column II
A. Cladistics	1. Shared derived characters
B. Phenetics	2. Overall similarity scoring
C. Evolutionary taxonomy	3. Ancestry + degree of divergence
D. Biosystematics	4. Population-level variation

TLS Online TPP Program

#Question id: 40524

#Environmental Science

Match taxonomic evidence with interpretation

Column I	Column II
A. Homologous organs	1. Common ancestry
B. Analogous organs	2. Convergent evolution
C. Vestigial structures	3. Evolutionary remnants
D. Molecular homology	4. Genetic relatedness